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Finding the Third Proportional to 57,930.75 and 87,712.88

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Solution

The third proportional to 57,930.75 and 87,712.88 is: 132,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,930.75 : 87,712.88 = 87,712.88 : x
  2. Step 2: Convert to fraction form
    57,930.75/87,712.88 = 87,712.88/x
  3. Step 3: Cross multiply
    57,930.75x = 87,712.88 × 87,712.88
  4. Step 4: Simplify right side
    57,930.75x = 7,693,548,440.77
  5. Step 5: Solve for x
    x = 7,693,548,440.77/57,930.75
  6. Step 6: Final answer
    x = 132,805.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.