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Finding the Third Proportional to 8,802 and 11,988

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Solution

The third proportional to 8,802 and 11,988 is: 16,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802 : 11,988 = 11,988 : x
  2. Step 2: Convert to fraction form
    8,802/11,988 = 11,988/x
  3. Step 3: Cross multiply
    8,802x = 11,988 × 11,988
  4. Step 4: Simplify right side
    8,802x = 143,712,144
  5. Step 5: Solve for x
    x = 143,712,144/8,802
  6. Step 6: Final answer
    x = 16,327.21

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.