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Finding the Third Proportional to 92,387 and 148,790

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Solution

The third proportional to 92,387 and 148,790 is: 239,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,387 : 148,790 = 148,790 : x
  2. Step 2: Convert to fraction form
    92,387/148,790 = 148,790/x
  3. Step 3: Cross multiply
    92,387x = 148,790 × 148,790
  4. Step 4: Simplify right side
    92,387x = 22,138,464,100
  5. Step 5: Solve for x
    x = 22,138,464,100/92,387
  6. Step 6: Final answer
    x = 239,627.48

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.