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Finding the Third Proportional to 87,624.56 and 131,289.75

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Solution

The third proportional to 87,624.56 and 131,289.75 is: 196,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624.56 : 131,289.75 = 131,289.75 : x
  2. Step 2: Convert to fraction form
    87,624.56/131,289.75 = 131,289.75/x
  3. Step 3: Cross multiply
    87,624.56x = 131,289.75 × 131,289.75
  4. Step 4: Simplify right side
    87,624.56x = 17,236,998,455.06
  5. Step 5: Solve for x
    x = 17,236,998,455.06/87,624.56
  6. Step 6: Final answer
    x = 196,714.23

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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.