Finding the Third Proportional to 39,721.13 and 87,438.75
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Solution
The third proportional to 39,721.13 and 87,438.75 is: 192,480.32
Step by Step Solution
- Step 1: Write the proportion equation
39,721.13 : 87,438.75 = 87,438.75 : x - Step 2: Convert to fraction form
39,721.13/87,438.75 = 87,438.75/x - Step 3: Cross multiply
39,721.13x = 87,438.75 × 87,438.75 - Step 4: Simplify right side
39,721.13x = 7,645,535,001.56 - Step 5: Solve for x
x = 7,645,535,001.56/39,721.13 - Step 6: Final answer
x = 192,480.32
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.