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Finding the Third Proportional to 41,392 and 57,134

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Solution

The third proportional to 41,392 and 57,134 is: 78,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,392 : 57,134 = 57,134 : x
  2. Step 2: Convert to fraction form
    41,392/57,134 = 57,134/x
  3. Step 3: Cross multiply
    41,392x = 57,134 × 57,134
  4. Step 4: Simplify right side
    41,392x = 3,264,293,956
  5. Step 5: Solve for x
    x = 3,264,293,956/41,392
  6. Step 6: Final answer
    x = 78,862.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.