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Finding the Third Proportional to 57,942 and 87,529

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Solution

The third proportional to 57,942 and 87,529 is: 132,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,942 : 87,529 = 87,529 : x
  2. Step 2: Convert to fraction form
    57,942/87,529 = 87,529/x
  3. Step 3: Cross multiply
    57,942x = 87,529 × 87,529
  4. Step 4: Simplify right side
    57,942x = 7,661,325,841
  5. Step 5: Solve for x
    x = 7,661,325,841/57,942
  6. Step 6: Final answer
    x = 132,224.05

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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.