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Finding the Third Proportional to 87,624.75 and 131,290.50

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Solution

The third proportional to 87,624.75 and 131,290.50 is: 196,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624.75 : 131,290.50 = 131,290.50 : x
  2. Step 2: Convert to fraction form
    87,624.75/131,290.50 = 131,290.50/x
  3. Step 3: Cross multiply
    87,624.75x = 131,290.50 × 131,290.50
  4. Step 4: Simplify right side
    87,624.75x = 17,237,195,390.25
  5. Step 5: Solve for x
    x = 17,237,195,390.25/87,624.75
  6. Step 6: Final answer
    x = 196,716.06

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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.