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Finding the Third Proportional to 13,908 and 19,626

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Solution

The third proportional to 13,908 and 19,626 is: 27,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908 : 19,626 = 19,626 : x
  2. Step 2: Convert to fraction form
    13,908/19,626 = 19,626/x
  3. Step 3: Cross multiply
    13,908x = 19,626 × 19,626
  4. Step 4: Simplify right side
    13,908x = 385,179,876
  5. Step 5: Solve for x
    x = 385,179,876/13,908
  6. Step 6: Final answer
    x = 27,694.84

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.