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Finding the Third Proportional to 57,159 and 125,385

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Solution

The third proportional to 57,159 and 125,385 is: 275,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,159 : 125,385 = 125,385 : x
  2. Step 2: Convert to fraction form
    57,159/125,385 = 125,385/x
  3. Step 3: Cross multiply
    57,159x = 125,385 × 125,385
  4. Step 4: Simplify right side
    57,159x = 15,721,398,225
  5. Step 5: Solve for x
    x = 15,721,398,225/57,159
  6. Step 6: Final answer
    x = 275,046.77

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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.