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Finding the Third Proportional to 19,873 and 27,551

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Solution

The third proportional to 19,873 and 27,551 is: 38,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873 : 27,551 = 27,551 : x
  2. Step 2: Convert to fraction form
    19,873/27,551 = 27,551/x
  3. Step 3: Cross multiply
    19,873x = 27,551 × 27,551
  4. Step 4: Simplify right side
    19,873x = 759,057,601
  5. Step 5: Solve for x
    x = 759,057,601/19,873
  6. Step 6: Final answer
    x = 38,195.42

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.