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Finding the Third Proportional to 13,661 and 29,479

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Solution

The third proportional to 13,661 and 29,479 is: 63,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661 : 29,479 = 29,479 : x
  2. Step 2: Convert to fraction form
    13,661/29,479 = 29,479/x
  3. Step 3: Cross multiply
    13,661x = 29,479 × 29,479
  4. Step 4: Simplify right side
    13,661x = 869,011,441
  5. Step 5: Solve for x
    x = 869,011,441/13,661
  6. Step 6: Final answer
    x = 63,612.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.