Finding the Third Proportional to 514 and 617.50
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Solution
The third proportional to 514 and 617.50 is: 741.84
Step by Step Solution
- Step 1: Write the proportion equation
514 : 617.50 = 617.50 : x - Step 2: Convert to fraction form
514/617.50 = 617.50/x - Step 3: Cross multiply
514x = 617.50 × 617.50 - Step 4: Simplify right side
514x = 381,306.25 - Step 5: Solve for x
x = 381,306.25/514 - Step 6: Final answer
x = 741.84
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These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.