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Finding the Third Proportional to 57,872 and 125,588

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Solution

The third proportional to 57,872 and 125,588 is: 272,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,872 : 125,588 = 125,588 : x
  2. Step 2: Convert to fraction form
    57,872/125,588 = 125,588/x
  3. Step 3: Cross multiply
    57,872x = 125,588 × 125,588
  4. Step 4: Simplify right side
    57,872x = 15,772,345,744
  5. Step 5: Solve for x
    x = 15,772,345,744/57,872
  6. Step 6: Final answer
    x = 272,538.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.