Finding the Third Proportional to 477.75 and 631.50
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Solution
The third proportional to 477.75 and 631.50 is: 834.73
Step by Step Solution
- Step 1: Write the proportion equation
477.75 : 631.50 = 631.50 : x - Step 2: Convert to fraction form
477.75/631.50 = 631.50/x - Step 3: Cross multiply
477.75x = 631.50 × 631.50 - Step 4: Simplify right side
477.75x = 398,792.25 - Step 5: Solve for x
x = 398,792.25/477.75 - Step 6: Final answer
x = 834.73
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These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.