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Finding the Third Proportional to 87,630.75 and 131,296.88

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Solution

The third proportional to 87,630.75 and 131,296.88 is: 196,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,630.75 : 131,296.88 = 131,296.88 : x
  2. Step 2: Convert to fraction form
    87,630.75/131,296.88 = 131,296.88/x
  3. Step 3: Cross multiply
    87,630.75x = 131,296.88 × 131,296.88
  4. Step 4: Simplify right side
    87,630.75x = 17,238,869,384.77
  5. Step 5: Solve for x
    x = 17,238,869,384.77/87,630.75
  6. Step 6: Final answer
    x = 196,721.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.