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Finding the Third Proportional to 87,388.88 and 131,037.75

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Solution

The third proportional to 87,388.88 and 131,037.75 is: 196,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,388.88 : 131,037.75 = 131,037.75 : x
  2. Step 2: Convert to fraction form
    87,388.88/131,037.75 = 131,037.75/x
  3. Step 3: Cross multiply
    87,388.88x = 131,037.75 × 131,037.75
  4. Step 4: Simplify right side
    87,388.88x = 17,170,891,925.06
  5. Step 5: Solve for x
    x = 17,170,891,925.06/87,388.88
  6. Step 6: Final answer
    x = 196,488.31

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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.