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Chapter 11: Q. 3 QC (page 667)

Solve each proportion.

72=y3

Short Answer

Expert verified

The solution of given proportion is y=212.

Step by step solution

01

Step 1. Means-Extremes Property of proportion

Ifpq=rs andq,s≠0 then ps=qr.

02

Step 2. Cross product.

Find the cross products.

73=2y21=2y

03

Step 3. Divide.

Divide each side of the obtained equation by 2.

212=2y2y=212

Therefore, the solution of given proportion isy=212.

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