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Finding the Third Proportional to 8,001 and 12,081

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Solution

The third proportional to 8,001 and 12,081 is: 18,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001 : 12,081 = 12,081 : x
  2. Step 2: Convert to fraction form
    8,001/12,081 = 12,081/x
  3. Step 3: Cross multiply
    8,001x = 12,081 × 12,081
  4. Step 4: Simplify right side
    8,001x = 145,950,561
  5. Step 5: Solve for x
    x = 145,950,561/8,001
  6. Step 6: Final answer
    x = 18,241.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.