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Finding the Third Proportional to 4,449 and 9,663

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Solution

The third proportional to 4,449 and 9,663 is: 20,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449 : 9,663 = 9,663 : x
  2. Step 2: Convert to fraction form
    4,449/9,663 = 9,663/x
  3. Step 3: Cross multiply
    4,449x = 9,663 × 9,663
  4. Step 4: Simplify right side
    4,449x = 93,373,569
  5. Step 5: Solve for x
    x = 93,373,569/4,449
  6. Step 6: Final answer
    x = 20,987.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.