Finding the Third Proportional to 81,658.13 and 175,830.75
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Solution
The third proportional to 81,658.13 and 175,830.75 is: 378,608.41
Step by Step Solution
- Step 1: Write the proportion equation
81,658.13 : 175,830.75 = 175,830.75 : x - Step 2: Convert to fraction form
81,658.13/175,830.75 = 175,830.75/x - Step 3: Cross multiply
81,658.13x = 175,830.75 × 175,830.75 - Step 4: Simplify right side
81,658.13x = 30,916,452,645.56 - Step 5: Solve for x
x = 30,916,452,645.56/81,658.13 - Step 6: Final answer
x = 378,608.41
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.