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Finding the Third Proportional to 57,554 and 126,692

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Solution

The third proportional to 57,554 and 126,692 is: 278,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,554 : 126,692 = 126,692 : x
  2. Step 2: Convert to fraction form
    57,554/126,692 = 126,692/x
  3. Step 3: Cross multiply
    57,554x = 126,692 × 126,692
  4. Step 4: Simplify right side
    57,554x = 16,050,862,864
  5. Step 5: Solve for x
    x = 16,050,862,864/57,554
  6. Step 6: Final answer
    x = 278,883.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.