Finding the Third Proportional to 81,739 and 176,000
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Solution
The third proportional to 81,739 and 176,000 is: 378,962.31
Step by Step Solution
- Step 1: Write the proportion equation
81,739 : 176,000 = 176,000 : x - Step 2: Convert to fraction form
81,739/176,000 = 176,000/x - Step 3: Cross multiply
81,739x = 176,000 × 176,000 - Step 4: Simplify right side
81,739x = 30,976,000,000 - Step 5: Solve for x
x = 30,976,000,000/81,739 - Step 6: Final answer
x = 378,962.31
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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.