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Finding the Third Proportional to 8,002 and 11,959

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Solution

The third proportional to 8,002 and 11,959 is: 17,872.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002 : 11,959 = 11,959 : x
  2. Step 2: Convert to fraction form
    8,002/11,959 = 11,959/x
  3. Step 3: Cross multiply
    8,002x = 11,959 × 11,959
  4. Step 4: Simplify right side
    8,002x = 143,017,681
  5. Step 5: Solve for x
    x = 143,017,681/8,002
  6. Step 6: Final answer
    x = 17,872.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.