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Finding the Third Proportional to 57,158 and 125,386

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Solution

The third proportional to 57,158 and 125,386 is: 275,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158 : 125,386 = 125,386 : x
  2. Step 2: Convert to fraction form
    57,158/125,386 = 125,386/x
  3. Step 3: Cross multiply
    57,158x = 125,386 × 125,386
  4. Step 4: Simplify right side
    57,158x = 15,721,648,996
  5. Step 5: Solve for x
    x = 15,721,648,996/57,158
  6. Step 6: Final answer
    x = 275,055.97

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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.