Finding the Third Proportional to 81,684 and 179,922
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Solution
The third proportional to 81,684 and 179,922 is: 396,306.82
Step by Step Solution
- Step 1: Write the proportion equation
81,684 : 179,922 = 179,922 : x - Step 2: Convert to fraction form
81,684/179,922 = 179,922/x - Step 3: Cross multiply
81,684x = 179,922 × 179,922 - Step 4: Simplify right side
81,684x = 32,371,926,084 - Step 5: Solve for x
x = 32,371,926,084/81,684 - Step 6: Final answer
x = 396,306.82
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.