Finding the Third Proportional to 59,438 and 129,940
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Solution
The third proportional to 59,438 and 129,940 is: 284,067.49
Step by Step Solution
- Step 1: Write the proportion equation
59,438 : 129,940 = 129,940 : x - Step 2: Convert to fraction form
59,438/129,940 = 129,940/x - Step 3: Cross multiply
59,438x = 129,940 × 129,940 - Step 4: Simplify right side
59,438x = 16,884,403,600 - Step 5: Solve for x
x = 16,884,403,600/59,438 - Step 6: Final answer
x = 284,067.49
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.