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Finding the Third Proportional to 57,390 and 94,839

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Solution

The third proportional to 57,390 and 94,839 is: 156,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,390 : 94,839 = 94,839 : x
  2. Step 2: Convert to fraction form
    57,390/94,839 = 94,839/x
  3. Step 3: Cross multiply
    57,390x = 94,839 × 94,839
  4. Step 4: Simplify right side
    57,390x = 8,994,435,921
  5. Step 5: Solve for x
    x = 8,994,435,921/57,390
  6. Step 6: Final answer
    x = 156,724.79

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.