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Finding the Third Proportional to 80,281.13 and 122,517.56

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Solution

The third proportional to 80,281.13 and 122,517.56 is: 186,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,281.13 : 122,517.56 = 122,517.56 : x
  2. Step 2: Convert to fraction form
    80,281.13/122,517.56 = 122,517.56/x
  3. Step 3: Cross multiply
    80,281.13x = 122,517.56 × 122,517.56
  4. Step 4: Simplify right side
    80,281.13x = 15,010,553,120.94
  5. Step 5: Solve for x
    x = 15,010,553,120.94/80,281.13
  6. Step 6: Final answer
    x = 186,974.87

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.