Finding the Third Proportional to 247,789.13 and 393,837.19
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Solution
The third proportional to 247,789.13 and 393,837.19 is: 625,966.66
Step by Step Solution
- Step 1: Write the proportion equation
247,789.13 : 393,837.19 = 393,837.19 : x - Step 2: Convert to fraction form
247,789.13/393,837.19 = 393,837.19/x - Step 3: Cross multiply
247,789.13x = 393,837.19 × 393,837.19 - Step 4: Simplify right side
247,789.13x = 155,107,730,257.91 - Step 5: Solve for x
x = 155,107,730,257.91/247,789.13 - Step 6: Final answer
x = 625,966.66
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.