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Finding the Third Proportional to 57,934 and 126,939

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Solution

The third proportional to 57,934 and 126,939 is: 278,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,934 : 126,939 = 126,939 : x
  2. Step 2: Convert to fraction form
    57,934/126,939 = 126,939/x
  3. Step 3: Cross multiply
    57,934x = 126,939 × 126,939
  4. Step 4: Simplify right side
    57,934x = 16,113,509,721
  5. Step 5: Solve for x
    x = 16,113,509,721/57,934
  6. Step 6: Final answer
    x = 278,135.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.