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Finding the Third Proportional to 71,487.56 and 94,861.13

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Solution

The third proportional to 71,487.56 and 94,861.13 is: 125,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,487.56 : 94,861.13 = 94,861.13 : x
  2. Step 2: Convert to fraction form
    71,487.56/94,861.13 = 94,861.13/x
  3. Step 3: Cross multiply
    71,487.56x = 94,861.13 × 94,861.13
  4. Step 4: Simplify right side
    71,487.56x = 8,998,633,036.27
  5. Step 5: Solve for x
    x = 8,998,633,036.27/71,487.56
  6. Step 6: Final answer
    x = 125,876.90

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.