2.7 Solving Proportions

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What is a proportion?

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A proportion is an equation that states that two ratios are equal.

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How do you solve a proportion?

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To solve a proportion, cross-multiply the terms and then isolate the variable.

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What is the relationship between the parts of a proportion?

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In a proportion, the product of the means equals the product of the extremes.

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What does it mean if two ratios are equivalent?

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It means that they represent the same relationship between quantities.

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How can proportions be used in real-life situations?

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Proportions can be used to compare quantities, such as in recipes, maps, and scale models.