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Finding the Third Proportional to 87,905.46 and 131,278.85

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Solution

The third proportional to 87,905.46 and 131,278.85 is: 196,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,905.46 : 131,278.85 = 131,278.85 : x
  2. Step 2: Convert to fraction form
    87,905.46/131,278.85 = 131,278.85/x
  3. Step 3: Cross multiply
    87,905.46x = 131,278.85 × 131,278.85
  4. Step 4: Simplify right side
    87,905.46x = 17,234,136,867.57
  5. Step 5: Solve for x
    x = 17,234,136,867.57/87,905.46
  6. Step 6: Final answer
    x = 196,053.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.