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Finding the Third Proportional to 57,414 and 125,790

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Solution

The third proportional to 57,414 and 125,790 is: 275,596.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,414 : 125,790 = 125,790 : x
  2. Step 2: Convert to fraction form
    57,414/125,790 = 125,790/x
  3. Step 3: Cross multiply
    57,414x = 125,790 × 125,790
  4. Step 4: Simplify right side
    57,414x = 15,823,124,100
  5. Step 5: Solve for x
    x = 15,823,124,100/57,414
  6. Step 6: Final answer
    x = 275,596.96

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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.