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Finding the Third Proportional to 57,912 and 126,468

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Solution

The third proportional to 57,912 and 126,468 is: 276,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,912 : 126,468 = 126,468 : x
  2. Step 2: Convert to fraction form
    57,912/126,468 = 126,468/x
  3. Step 3: Cross multiply
    57,912x = 126,468 × 126,468
  4. Step 4: Simplify right side
    57,912x = 15,994,155,024
  5. Step 5: Solve for x
    x = 15,994,155,024/57,912
  6. Step 6: Final answer
    x = 276,180.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.