Finding the Third Proportional to 518 and 587
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Solution
The third proportional to 518 and 587 is: 665.19
Step by Step Solution
- Step 1: Write the proportion equation
518 : 587 = 587 : x - Step 2: Convert to fraction form
518/587 = 587/x - Step 3: Cross multiply
518x = 587 × 587 - Step 4: Simplify right side
518x = 344,569 - Step 5: Solve for x
x = 344,569/518 - Step 6: Final answer
x = 665.19
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Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.