Finding the Third Proportional to 60,121.13 and 129,286.13
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Solution
The third proportional to 60,121.13 and 129,286.13 is: 278,020.45
Step by Step Solution
- Step 1: Write the proportion equation
60,121.13 : 129,286.13 = 129,286.13 : x - Step 2: Convert to fraction form
60,121.13/129,286.13 = 129,286.13/x - Step 3: Cross multiply
60,121.13x = 129,286.13 × 129,286.13 - Step 4: Simplify right side
60,121.13x = 16,714,902,117.52 - Step 5: Solve for x
x = 16,714,902,117.52/60,121.13 - Step 6: Final answer
x = 278,020.45
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.