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Finding the Third Proportional to 57,192 and 126,020

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Solution

The third proportional to 57,192 and 126,020 is: 277,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,192 : 126,020 = 126,020 : x
  2. Step 2: Convert to fraction form
    57,192/126,020 = 126,020/x
  3. Step 3: Cross multiply
    57,192x = 126,020 × 126,020
  4. Step 4: Simplify right side
    57,192x = 15,881,040,400
  5. Step 5: Solve for x
    x = 15,881,040,400/57,192
  6. Step 6: Final answer
    x = 277,679.40

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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.