Finding the Third Proportional to 406 and 658.50
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Solution
The third proportional to 406 and 658.50 is: 1,068.04
Step by Step Solution
- Step 1: Write the proportion equation
406 : 658.50 = 658.50 : x - Step 2: Convert to fraction form
406/658.50 = 658.50/x - Step 3: Cross multiply
406x = 658.50 × 658.50 - Step 4: Simplify right side
406x = 433,622.25 - Step 5: Solve for x
x = 433,622.25/406 - Step 6: Final answer
x = 1,068.04
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Why These Related Problems?
These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.