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Finding the Third Proportional to 42,159 and 93,249

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Solution

The third proportional to 42,159 and 93,249 is: 206,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,159 : 93,249 = 93,249 : x
  2. Step 2: Convert to fraction form
    42,159/93,249 = 93,249/x
  3. Step 3: Cross multiply
    42,159x = 93,249 × 93,249
  4. Step 4: Simplify right side
    42,159x = 8,695,376,001
  5. Step 5: Solve for x
    x = 8,695,376,001/42,159
  6. Step 6: Final answer
    x = 206,251.95

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.