Finding the Third Proportional to 239,488.13 and 399,129.75
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Solution
The third proportional to 239,488.13 and 399,129.75 is: 665,187.71
Step by Step Solution
- Step 1: Write the proportion equation
239,488.13 : 399,129.75 = 399,129.75 : x - Step 2: Convert to fraction form
239,488.13/399,129.75 = 399,129.75/x - Step 3: Cross multiply
239,488.13x = 399,129.75 × 399,129.75 - Step 4: Simplify right side
239,488.13x = 159,304,557,335.06 - Step 5: Solve for x
x = 159,304,557,335.06/239,488.13 - Step 6: Final answer
x = 665,187.71
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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.