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Finding the Third Proportional to 57,266.38 and 87,380.75

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Solution

The third proportional to 57,266.38 and 87,380.75 is: 133,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,266.38 : 87,380.75 = 87,380.75 : x
  2. Step 2: Convert to fraction form
    57,266.38/87,380.75 = 87,380.75/x
  3. Step 3: Cross multiply
    57,266.38x = 87,380.75 × 87,380.75
  4. Step 4: Simplify right side
    57,266.38x = 7,635,395,470.56
  5. Step 5: Solve for x
    x = 7,635,395,470.56/57,266.38
  6. Step 6: Final answer
    x = 133,331.22

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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.