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Finding the Third Proportional to 57,439.13 and 87,819.19

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Solution

The third proportional to 57,439.13 and 87,819.19 is: 134,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,439.13 : 87,819.19 = 87,819.19 : x
  2. Step 2: Convert to fraction form
    57,439.13/87,819.19 = 87,819.19/x
  3. Step 3: Cross multiply
    57,439.13x = 87,819.19 × 87,819.19
  4. Step 4: Simplify right side
    57,439.13x = 7,712,209,693.16
  5. Step 5: Solve for x
    x = 7,712,209,693.16/57,439.13
  6. Step 6: Final answer
    x = 134,267.53

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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.