Finding the Third Proportional to 382 and 656
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Solution
The third proportional to 382 and 656 is: 1,126.53
Step by Step Solution
- Step 1: Write the proportion equation
382 : 656 = 656 : x - Step 2: Convert to fraction form
382/656 = 656/x - Step 3: Cross multiply
382x = 656 × 656 - Step 4: Simplify right side
382x = 430,336 - Step 5: Solve for x
x = 430,336/382 - Step 6: Final answer
x = 1,126.53
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These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.