A proportion is an equation that states that two ratios are Proportions Proportions are equations made up of two equivalent ratios. Nov 25, 2024 · A proportion is an equation that states that two ratios are equal. In this proportion, if you cross multiply, you find that 4 x1 is equal to 2 x 2, which is a true statement or proportion. In mathematics, this is expressed in the form of ba = dc, where a, b, c, and d are numbers, and the equation shows that the ratio ba is equivalent to the ratio dc. Proportion says two ratios (or fractions) are equal. Study with Quizlet and memorize flashcards containing terms like an equation that states that two ratios are equal is a, a comparison of two numbers by division is a, in the proportion a/b=c/d, c and b are called the and more. The different categories of proportion are as follows: Direct Proportion Inverse Proportion Types of True/False - A cross product is an equation which states that two ratios are equal. Proportions and Their Characteristics Proportion Definition A proportion is an equation that states that two ratios are equal, often written as a/b = c/d. 2 Find an unknown in a proportion. You may have heard the word proportion used in other ways, and that's because the word "proportion" has a different mathematical meaning than its typical English usage. The correct answer to the multiple-choice question is D. extremes of a proportion number b using division 5. . A proportion is an equation in which two ratios are set equal to each other. See full list on mathsisfun. Solving Ratio and Proportion Problems Understanding Ratios and Proportions Ratios express the relationship between two quantities and are written in the form a:b or a/b. 1: What are Proportions? A proportion is an equation that compares two ratios. Start learning now! A proportion is an equation that states two ratios are equal. The proportion 1 3 = 2 6 is read “one is to three as two is to six. In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. A proportion is an equation that states that two ratios are equivalent. Proportion A proportion is an equation of the form a b = c d ba = dc, where b ≠ 0, d ≠ 0 b = 0,d = 0. It's a way of saying that the ratio of one pair of quantities is the same as the ratio of another pair. Jul 4, 2023 · Three ways of expressing ratios are using words, colons, or fractions: 2 to 3, 2:3, or 2/3. Proportions are crucial in real-life scenarios, such as cooking recipes, finance Study with Quizlet and memorize flashcards containing terms like True or False: Two fractions are proportional if their denominators are equal?, Do the ratios 14/32 and 21/56 form a proportion?, True or False: Two equivalent fractions can form a proportion and more. Cross-multiplication is a method used to solve proportions. Thus, the answer choices for the blanks are 'ratios', 'proportion', and 'cross products'. So you multiply 12 by 3 to estimate how many packages Oct 20, 2025 · In a classroom, the student-to-laptop ratio might be 3 to 2, meaning there are three students for every two laptops available. the numbers b and e in the proportion 6 - 3. Solve Proportions A proportion is a statement that shows that two ratios are equal, in other words, it is an equation of two ratios. A ratio is a comparison of two quantities, while a proportion is a comparison of two ratios. For example, 1 2 = 4 8 represents a proportion. Statement I: A true proportion states that two ratios are equal. The A proportion is essentially an equation that states that two ratios are equal. A proportion states that two ratios are equal. Statement II: The fractions in a true A proportion is an equation that states that two ratios are equal. 5 15 9 27. Jan 2, 2025 · Learning Objectives Construct ratios to express comparison of two quantities. A proportion is an equation that shows that two ratios are equal. Match the Definition The term 'proportion' refers to an equation stating that two ratios are equal. If you provide The ratio of 3 to 4 and the ratio of 4 to 3 the same number. If you know one ratio in a proportion, you can use that information to find values in the A true proportion is an equation that states that two ratios are equal. The proportion is read “a is to b, as c is to d”. Apr 28, 2022 · For example, in the proportion ( \frac {a} {b} = \frac {c} {d} ), the cross products are ad and bc, and they are equal. How to Use This Calculator Simplify Ratio: Reduce any ratio to its simplest form (e. You are asked to bring enough drinks for 35 40 people. To prove this, you need to find the cross products of the ratios and see if they are equal. g. 2) 5 2 = 40 16 is a proportion, because it contains two ratios that are equal to one another. The following are all proportions: 2:3 = 6:9 Jan 27, 2022 · 1. We use ratios and proportions when we compare numbers or quantities in math and in everyday life. The proportion is read “ a is to b, as c is to d. Nonproportional Relationships A proportion is an equation of the form a b = c d , where b ≠ 0 , d ≠ 0 . For example, if you have the ratios a b and c d, a proportion would be a b = c d. This statement is true. So, the correct answer is proportion. For example, if two triangles are similar, the ratios of their corresponding sides are equal. We can solve proportions by using the Cross Product Property, which involves cross-multiplying the terms. , The first and last terms in a proportion are called the __ and more. Solving proportions often requires cross-multiplication, providing a practical method for solving real-world problems. the numbers a Jan 31, 2024 · A proportion is an equation that shows two equivalent ratios, and is fundamental in understanding relationships and comparisons in measurements, such as those in the metric and customary system. The proportion is read " a Aug 30, 2024 · For example, each of the equations 1 3 = 2 6, 15 miles 2 hours = 30 miles 4 hours, and a b = c d compare two ratios or rates and is a proportion. 4 days ago · A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0. In other words, if you have two sets of numbers in a proportion, the cross products of those ratios are equal. When a fraction is represented in the form of a:b, then it is a ratio whereas a proportion states that two ratios are equal. A ratio is a comparison of two quantities that have the same unit of measure. A proportion is a statement that two ratios are equal to each other. At the store you see that drinks come in packages of 12. You probably use proportional reasoning in real-life situations quite frequently. If another recipe requires 4 cups of flour and 6 cups of sugar, the ratio is still 2:3, showing proportionality between the two recipes. Jul 23, 2025 · Ratios and proportions are used for comparison. Apr 28, 2022 · A statement that two ratios are equal is called a proportion in math. 36. There are many things that can be represented with ratios, including the actual distance on the earth that is represented on a map. That doesn't mean either usage is The ratio of goldfish to total fish is 9:15, which can be simplified to 3:5 by dividing both numbers by their greatest common divisor (GCD). For example, if you have 4 apples and your friend has 8 apples, then the ratio of your apples to your friend In mathematics, a proportion is a relationship between two quantities that indicates how many times one quantity is contained within the other. Example: If 1/2 = 2/4, then 1:2 is proportional to 2:4. If you know one ratio in a proportion, you can use that information to find values in the other equivalent ratio. Two ratios are equivalent if there is a nonzero number that can be multiplied by both quantities in one ratio to equal the corresponding quantities in the second ratio. Terms in this set (11) Proportion an equation that states that two ratios are equal Ratio a comparison of two numbers by division Can be written as: a/b, a:b, or a to b. means of a proportion C. In other words, a proportion is an equation that states two ratios are equal. Proportional vs. This can be achieved using cross-multiplication or by understanding the relationship between the ratios. A ratio is written as x: y:: z: w and means that x is equivalent to y as z is to w because w and y are not equal to zero, x y equals z w. In a proportion, the four numbers are related in such a way that the product of the means equals the product of the extremes. The numbers a and b are referred to as the terms of the ratio. Study with Quizlet and memorize flashcards containing terms like ratio, proportion, extremes and more. Nov 6, 2023 · An equation that states two ratios are equal is a proportion. Ratios and proportions are key concepts in mathematics that help in understanding relationships between quantities. ” In the next example, we will solve a proportion by multiplying by the Least Common Denominator (LCD) using the Multiplication Property of Equality. A proportion is a statement that says that two ratios are equal. Dec 10, 2024 · A proportion, on the other hand, is an equation that states two ratios are equal. In geometry, a proportion is an equation that states two ratios are equal. An example of a proportion is 1/2 equals 2/4. The ratios are the same, so they are in In concept of proportion we will learn how a proportion is an expression which states that the two ratios are in equal. It states that two ratios are equal to each other. In mathematics, a proportion is an expression that asserts the equality of two ratios. 4. It shows the relationship between different quantities and how they change together. , If one polygon is similar to a second polygon, and the second polygon is similar to a third polygon, then the first polygon is also similar to the third polygon. But what exactly are proportions? Simply put, they’re equations that state two ratios or fractions are equal to each other. For example, in the proportion ( \frac {a} {b} = \frac {c} {d} ), the cross products are ad and bc, and they are equal. Oct 7, 2024 · Proportion Equation A proportion equation is an equation showing the equivalence of two rates or ratios. It is written in the following form. Solve proportions using cross multiplication. Proportions can be solved using cross-multiplication to find unknown values. Proportion A proportion is an equation of the form a b = c d, where b ≠ 0, d ≠ 0. Example of a Proportion If you have two ratios, ba and dc, the equation ba = dc is a proportion. This means that, in a strictly mathematical sense, a proportion is an equation. A proportion is a special type of equation stating… Purplemath A ratio is one thing or value compared with or related to another thing or value; it is just a statement or an expression, and can only perhaps be simplified or reduced. Study with Quizlet and memorize flashcards containing terms like A(n) ___ is a relationship between two similar quantities, A ___ is an equation that states that two ratios are equal. For example, if you have 2 apples and 3 oranges, the ratio of apples to oranges is 2:3. and more. Sep 30, 2016 · A _______ is an equation which states that two ratios are equal. According to proportion, if two sets of given numbers are increasing or decreasing in the same ratio, then the ratios are said to be directly proportional to each other. In a proportion, the cross products of the ratios are equal. When two ratios or rates are equal, the equation relating them is called a proportion. If this equation is true, than the two ratios are equivalent. Jan 19, 2025 · Definition of Proportion: Proportion is an equation that defines that the two given ratios are equivalent to each other. Proportions. Now, if we set these two ratios equal to each other then it becomes a proportion. An equation of the form a b = c d, which states that two ratios or rates are equal, is called a 'proportion'. If you know one ratio in a proportion, you can use that information to find values in the Proportions are the comparison of two equal ratios. They can be used in many everyday situations like comparing sizes, cooking, calculating percentages, and more. Proportions A proportion is an equation stating that two ratios or rates are equal. For example, if you have two ratios, a b and c d, you can write the proportion as: An equation that states two ratios are equal is called a proportion. In simple terms: If two fractions represent the same value, they form a proportion. This proportion can also be read as ”a is to b as c is to d. This correlation enables us to solve complex problems by setting up proportional relationships. A proportion is an equation stating that two ratios are equal. Solving proportions involves finding the unknown value in the equation. The provided step-by-step solutions illustrate how to determine the unknown variable in each case. For example, if you have 2 apples and 3 oranges Difference Between Ratio and Proportion The difference between ratio and proportion is that a ratio expresses a relationship between two values, while a proportion expresses a equality between two ratios. In a proportion a : b c : d, the outer terms are called the extremes, and the inner terms are the means. The proportion states two ratios or rates are equal. Types of Proportions There are different types of proportions depending on the nature of relationships between two or more quantities. Feb 15, 2025 · A proportion is an equation that states that two ratios are equal. For example A proportional equation states that two ratios are equivalent in comparison. May 28, 2023 · A proportion states that two ratios or rates are equal. This concept is vital in mathematics for understanding relationships and solving problems, especially in geometry with similar figures. cross product property D. An example of a true proportion are the ratios 1/2 and 5/10, if you take the cross product the result is 2 x 5 = 1 x 10, which are equal. Ratio A ratio is a comparison of 2 quantities. While ratios compare the sizes of two or more quantities, proportions indicate that two ratios are equivalent. To write a proportion, you set two fractions equal to each other. Sep 27, 2022 · Introduction A true proportion is an equation that states that two ratios are equal. proportion, which indicates the equality of two ratios. What is a proportion in math? A proportion in math expresses the equivalence of two ratios. Example: 2 12 3 18. Jun 25, 2020 · The statement that a proportion is an equation stating that two ratios are equivalent is true. For example, in the proportion a/b = c/d, the product of a and d should be equal to the product of b and c. Sep 2, 2024 · Learning Objectives Understand the difference between a ratio and a proportion. Apr 28, 2022 · A true proportion is when two ratios are equal to one another. This means that y y is proportional to x. For example, if you have two ratios a b and c d, they form a proportion if: Study with Quizlet and memorize flashcards containing terms like A ______ compares two numbers by division. On the other hand, a proportion is two ratios which have been set equal to each other; a proportion is an equation that can be solved. For example, a pasta recipe that calls for 2 cups of pasta to 3 cups of water that feeds 2 people could be doubled to an equivalent ratio of 4:6 to feed 4 people. ” The four numbers that make up this proportion are called the terms of the proportion and are ordered in a natural manner. Sep 22, 2024 · Ratio compares two quantities, while proportion compares two ratios. In mathematics, a proportion refers to an equation that states that two ratios are equal. It can be expressed in several ways: Fraction: The ratio of a to Sep 19, 2025 · Definition: Equation That States Two Ratios Are Equivalent An equation that states two ratios are equivalent is called a proportion. y = kx. A proportion is an equation that shows two ratios are equivalent. Master writing and solving proportions in this interactive math lesson. Question: In Exercises 1-5, match the key word with the descriptive phrase. Aug 17, 2023 · Ration and proportion have an exciting relationship. To Cross-multiply: see below. A proportion is an equation which states that two ratios are equal. A proportion is an equation that states two ratios are equal. Use proportions to solve scaling problems. It is often used to compare the relative sizes of two quantities. The proportion is read " a Study with Quizlet and memorize flashcards containing terms like A _____ is an equation that states that two ratios are equal. They are essentially statements of equality between two ratios. Dec 15, 2024 · A true proportion is an equation that states that two ratios are equal. Compare ratios and evaluate as true or false to answer whether ratios or fractions are equivalent. Mar 31, 2021 · Ratio: The comparison of two numbers. The proportion is read ” a is to b , as c is to d “. proportion B. a relationship where the ratios between two kinds of values is always the same proportion is an equation stating that two ratios are equal. To determine which statement expresses a true proportion, you need to check if the ratios are equal. ” It is an equation or statement used to depict that two ratios or fractions are equal. This can be written in the form: In this equation, a, b, c, and d are numbers or variables. The numbers are mostly separated by a colon ‘:’, which is the sign of ratio in mathematics. A direct proportion in math is represented by the equation y = k x. Learn how to solve proportions here! Jan 16, 2024 · A proportion is an equation that states that two ratios are equivalent. Further, Learning about ratios and proportions develops relational reasoning and thinking, the ability to compare two quantities and recognize invariant relationships. Study with Quizlet and memorize flashcards containing terms like An equation that expresses a mathematical rule or relationship is a, a ratio that is used to convert one unit of measurement to a different unit of measurement, any method that uses formulas, figures, or proportions to measure an object and more. Practical Example: Finance In finance, understanding proportions is crucial for making sound investment decisions. By using proportions, one can compare different quantities effectively, ensuring correct calculations in various applications. com In other words, proportion is an equation or statement that is used to depict that the two ratios or fractions are equivalent. ratio of a to b A. It is often used to compare the sizes of different parts of geometric figures. Ratios can be simplified by dividing both parts by their greatest common factor. A ratio is a comparison of two quantities, often expressed as a fraction. A true proportion is an equation that states that two ratios are equal. Standard ways to write a proportion are shown below. In other words, a ratio compares two values, while a proportion states that two ratios are equal. Therefore, proportional relationships are relationships between two equal ratios. Jan 16, 2015 · A proportion is an equation asserting that two ratios are equal, often represented as ba = dc. Nonproportional Relationships Understanding Proportions Proportions are a fundamental concept in mathematics that helps us understand how quantities relate to each other. The equation ba = dc is a proportion, and the terms ad and bc are known as cross products. Cross-multiply: Multiply the numerator of the first ratio by the denominator of the second ratio, and vice versa. Proportions express the equality of two ratios in various forms, including equations. Aug 13, 2024 · A proportion is an equation that states that two ratios are equal. It is an equation that states that two ratios are equal. Determine and apply a constant of proportionality. Formula If two quantities x and y are in a ratio, they can be written in any of the 3 ways: Proportion A proportion is an equation of the form a b = c d, where b ≠ 0, d ≠ 0. 1. The following proportion is read as "twenty is to twenty-five as four is to five. =. Proportions are equations that state two ratios are equal. Explanation A proportion is an equation that states that two ratios are equal It can be expressed in the form a/b = c/d, where a, b, c, and d are numbers Two ratios are equivalent when they can be simplified to the same value or multiplied by the same number to yield the same result Helpful Not Helpful Explain Simplify this solution Gauth AI Pro Oct 21, 2025 · A proportion is a math statement showing that two ratios are equal and is solved using cross-multiplication. The proportion states two ratios or rates are equal. You can tell if a simple proportion is true by looking at each of the ratios (fractions). A proportion is a mathematical statement that says two ratios are equal. Here's how you can find it: Identify the Ratios: Let's say you have two ratios, @$\begin {align*}\frac {a} {b}\end {align*}@$ and @$\begin {align*}\frac {c} {d}\end {align*}@$. Definition: Proportion A proportion is a statement that two ratios or rates are equal. It can be written in two ways: as two equal fractions a/b = c/d; or using a colon, a:b = c:d. Proportions are equations that state two ratios are equal, such as a:b::c:d. A ratio is a relationship between two numbers that compares one quantity to the other. 4 Solve application problems using similar triangles. , 6:8 → 3:4) Equivalent Ratios: Find multiple ratios equal to your original ratio Solve Proportion: Find the unknown value (x) in a proportion equation Compare Ratios: Determine which of two ratios represents a larger value Scale Ratio: Multiply all terms by a scale factor Supports decimal numbers and Oct 24, 2024 · A proportion is an equation stating that two ratios are equivalent. , In writing the ratio of measurement numbers, the ______ must be the same. The first and third statements about proportions are true, while the second and fourth are false. Section 2: Proportions Subsection 2. Learn more about Proportions in mathematics arrow Jun 21, 2018 · A proportion is an equation that states that two ratios are equal. Ratios are a comparison of two quantities and can be expressed as fractions. The ratio of A:B is equivalent to C x A : C x b for a nonzero number C. For example, if 1 inch on a map represents 5 miles in reality, and the distance between two cities on the map is 3 inches, we can set up a proportion to find the actual distance: 51=x3, where x represents the actual distance in miles. Using proportions can help you solve problems such as increasing a recipe to feed a larger crowd of people, creating a design with certain consistent features, or enlarging or reducing an image to scale. For instance, if you have ba =dc , this indicates that the two ratios are equal and is a classic example of a proportion. Solve applications involving proportions, including similar triangles. Proportion: This term refers to an equation that states two ratios are equal. Ratio Definition of ratio: The ratio of two numbers, a and b (b does NOT equal zero) is the quotient of the numbers. May 2, 2022 · A proportion states that two ratios or rates are equal. Jul 4, 2023 · A ratio compares two numbers while a proportion equates two ratios. Apr 28, 2022 · A statement that 2 ratios are equal? A statement that two ratios are equal is called a proportion in math. k is a constant value that links the two variables, called the constant of proportionality. A proportion is an equation that shows two ratios are equal. proportion cross product rate of change function New answers Rating 8 A proportion is an equation that states that two ratios or fractions are equal. For example, if we have the ratios 1:2 and 3:6, these can form a proportion because both ratios simplify to the same value. It is an equation or statement used to depict that two ratios or fractions are equal. Is the relationship shown in the table proportional?. To understand proportions, consider the example of a recipe. For A proportion is a statement that two ratios are equal to each other. Use and apply proportional relationships to solve problems. , ____ polygons are polygons whose corresponding angles are congruent and whose corresponding sides are Jun 5, 2025 · The false statement is: 1) A proportion is an inequality. , The ratio of 3 to 4 can be written in all the following ways except _______. The following two examples show how to read proportions. Solving proportions involves finding the missing value in one of the ratios by setting up and solving a simple equation. For example, if we have two ratios, such as ba and dc, a proportion would state that ba = dc. This article contains the definition of ratio and proportion, along with their properties, formulas, and quick tricks to solve related questions efficiently. This relationship allows us to find unknown values when some quantities are known. Key Concepts Ratios A ratio compares two quantities. Four non-zero quantities, a, b, c, d are said to be in proportion if a : b = c : d. To find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means. Jul 23, 2025 · Here the '=' or '::' sign shows that the ratio between a and b is equivalent to the ratio between c and d. k x. Learn all about ratios and proportions, their meaning, formulas, real-life examples, and step-by-step methods to solve problems for school students and beginners. Simple Proportions Basic Proportions Suppose there are two ratios a: b a: b and c: d c: d. Reciprocal: The multiplicative inverse of a number -- when the numerator and denominator of a fraction are switched around. Oct 18, 2024 · To determine which statements about proportions are true, let's analyze each statement one by one. For example, (1. Solve ratios for the one missing value when comparing ratios or proportions. For example, the proportion ba = dc means that the ratio of a to b is the same as the ratio of c to d. Aug 14, 2024 · An equation that states that two ratios are equal is called a proportion. A proportion is an equation with a ratio on each side. a comparison of a number a and a nonzero 4. Three ways of expressing ratios are using words, colons, or fractions: 2 to 3, 2:3, or 2/3. While ratios help us understand the relation between two different quantities, proportion helps understand the relationship between two ratios. They can be written as fractions a b ba and c d dc, respectively. Therefore, the correct answer is: 1) A proportion is an inequality. Cross out all of the ratios that are not equivalent. 4. When the terms of a proportion are cross multiplied, the cross products are equal. Here, a and b are any two integers. We see that 1-out-of-3 is equal to 2-out-of-6. For example, say you have volunteered to provide drinks for a community event. This gives you: a × d = b × c Solve for the unknown: If one of the variables is unknown, solve the resulting equation for that In geometry, a proportion is an equation that states two ratios are equal. In the section on Ratios and Rates we saw some ways they are used in our daily lives. ” The ratios are separated by the word ”as. Like a ratio, a proportion can be written using a linear format, for example: 1:2::2:4 or 5 mg: 1 tablet :: 10 mg: 2 tablets. In writing the ratio of two numbers, it is usually helpful to express the ratio (fraction) in SIMPLEST form Definition of Proportion: an equation that states that two ratios are equal: a/b= c/d or a:b= c:d (provided b and Set up the proportion: A proportion is an equation that states two ratios are equal, like a b = c d. A proportion is an equation that states two ratios are equivalent. For instance, if we say that 1/2 is equal to 2/4, we’re using proportions to show that these two fractions represent the same relationship. If we compare quantities with units, we have to be sure we are comparing them in … Apr 28, 2022 · An equation that sets two ratios equal to each other is called a proportion. If the fractions both reduce to the same value, the proportion is true. If a recipe What is a Proportion in Math Understanding Proportions in Mathematics Proportions are a fundamental mathematical concept that helps us compare and relate quantities. 2 Proportions Learning Objective (s) 1 Determine whether a proportion is true or false. If we compare quantities with units, we have to be sure we are comparing them in … Aug 29, 2023 · A proportion is an equation that states two ratios are equal. Feb 18, 2025 · From the definitions, "two ratios set equal to each other" best matches the definition of a proportion, as it directly refers to the equality of two ratios. It is an equality of two equivalent ratios denoted by the symbols “: : “ or “=”. Understanding Proportions In the world of math, proportions are like the cool kids at school – they’re essential and everyone wants to be friends with them. A proportion specifically states that two ratios are equal, which makes options 2) and 3) true statements. For Proportion - An equation that states that two ratios are Means, extremes - The numbers b and c are the means Jan 8, 2020 · For example, each of the equations 1 3 = 2 6, 15 miles 2 hours = 30 miles 4 hours, and a b = c d compare two ratios or rates and is a proportion. A ratio is the comparison of two quantities using division. Using the recipe example, if we find another recipe that requires a water to flour ratio of 4:6, we can set up a proportion to see if these ratios are equal: 2 ⁄ 3 = 4 ⁄ 6. To begin cross-multiplying, first write the ratios in fraction format. Ratio and Proportion are explained majorly based on fractions. Equivalent Ratios: Two ratios that reduce to the same ratio. Proportion- Definition Proportion is a mathematical comparison between two numbers. For example, if a recipe calls for 2 cups of flour and 3 cups of sugar, the ratio of flour to sugar is 2:3. Here is an example to illustrate the Jul 12, 2017 · A proportion is an equation that states two ratios are equal. " In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. To calculate dosages, the nurse needs to use the ratio and proportion. Written Out Example If 2: 3 and 4: 6 are two ratios, 32 = 64 This is a proportion, because both ratios are equivalent. an equation that states that two ratios are equal 2. Feb 8, 2025 · Proportion: A proportion is an equation that asserts two ratios are equivalent. Proportion: An equation stating two ratios are equal. 3 Solve application problems using proportions. Aug 1, 2025 · The ratio calculator performs three types of operations and shows the steps to solve: Simplify ratios or create an equivalent ratio when one side of the ratio is empty. A p roportion, on the other hand, is an equation stating that two ratios are equivalent.