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Finding the Third Proportional to 87,410 and 131,067

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Solution

The third proportional to 87,410 and 131,067 is: 196,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410 : 131,067 = 131,067 : x
  2. Step 2: Convert to fraction form
    87,410/131,067 = 131,067/x
  3. Step 3: Cross multiply
    87,410x = 131,067 × 131,067
  4. Step 4: Simplify right side
    87,410x = 17,178,558,489
  5. Step 5: Solve for x
    x = 17,178,558,489/87,410
  6. Step 6: Final answer
    x = 196,528.53

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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.