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Finding the Third Proportional to 58,691.25 and 127,861.88

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Solution

The third proportional to 58,691.25 and 127,861.88 is: 278,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,691.25 : 127,861.88 = 127,861.88 : x
  2. Step 2: Convert to fraction form
    58,691.25/127,861.88 = 127,861.88/x
  3. Step 3: Cross multiply
    58,691.25x = 127,861.88 × 127,861.88
  4. Step 4: Simplify right side
    58,691.25x = 16,348,659,078.52
  5. Step 5: Solve for x
    x = 16,348,659,078.52/58,691.25
  6. Step 6: Final answer
    x = 278,553.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.