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Finding the Third Proportional to 87,540 and 190,923

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Solution

The third proportional to 87,540 and 190,923 is: 416,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,540 : 190,923 = 190,923 : x
  2. Step 2: Convert to fraction form
    87,540/190,923 = 190,923/x
  3. Step 3: Cross multiply
    87,540x = 190,923 × 190,923
  4. Step 4: Simplify right side
    87,540x = 36,451,591,929
  5. Step 5: Solve for x
    x = 36,451,591,929/87,540
  6. Step 6: Final answer
    x = 416,399.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.