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Finding the Third Proportional to 13,624 and 19,906

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Solution

The third proportional to 13,624 and 19,906 is: 29,084.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624 : 19,906 = 19,906 : x
  2. Step 2: Convert to fraction form
    13,624/19,906 = 19,906/x
  3. Step 3: Cross multiply
    13,624x = 19,906 × 19,906
  4. Step 4: Simplify right side
    13,624x = 396,248,836
  5. Step 5: Solve for x
    x = 396,248,836/13,624
  6. Step 6: Final answer
    x = 29,084.62

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.