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Finding the Third Proportional to 13,469 and 18,118

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Solution

The third proportional to 13,469 and 18,118 is: 24,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469 : 18,118 = 18,118 : x
  2. Step 2: Convert to fraction form
    13,469/18,118 = 18,118/x
  3. Step 3: Cross multiply
    13,469x = 18,118 × 18,118
  4. Step 4: Simplify right side
    13,469x = 328,261,924
  5. Step 5: Solve for x
    x = 328,261,924/13,469
  6. Step 6: Final answer
    x = 24,371.66

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.