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Finding the Third Proportional to 57,954 and 87,743

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Solution

The third proportional to 57,954 and 87,743 is: 132,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954 : 87,743 = 87,743 : x
  2. Step 2: Convert to fraction form
    57,954/87,743 = 87,743/x
  3. Step 3: Cross multiply
    57,954x = 87,743 × 87,743
  4. Step 4: Simplify right side
    57,954x = 7,698,834,049
  5. Step 5: Solve for x
    x = 7,698,834,049/57,954
  6. Step 6: Final answer
    x = 132,843.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.