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Finding the Third Proportional to 8,614 and 13,169

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Solution

The third proportional to 8,614 and 13,169 is: 20,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614 : 13,169 = 13,169 : x
  2. Step 2: Convert to fraction form
    8,614/13,169 = 13,169/x
  3. Step 3: Cross multiply
    8,614x = 13,169 × 13,169
  4. Step 4: Simplify right side
    8,614x = 173,422,561
  5. Step 5: Solve for x
    x = 173,422,561/8,614
  6. Step 6: Final answer
    x = 20,132.64

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.