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Finding the Third Proportional to 56,414 and 87,067

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Solution

The third proportional to 56,414 and 87,067 is: 134,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,414 : 87,067 = 87,067 : x
  2. Step 2: Convert to fraction form
    56,414/87,067 = 87,067/x
  3. Step 3: Cross multiply
    56,414x = 87,067 × 87,067
  4. Step 4: Simplify right side
    56,414x = 7,580,662,489
  5. Step 5: Solve for x
    x = 7,580,662,489/56,414
  6. Step 6: Final answer
    x = 134,375.55

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.