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Finding the Third Proportional to 19,871 and 27,548

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Solution

The third proportional to 19,871 and 27,548 is: 38,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871 : 27,548 = 27,548 : x
  2. Step 2: Convert to fraction form
    19,871/27,548 = 27,548/x
  3. Step 3: Cross multiply
    19,871x = 27,548 × 27,548
  4. Step 4: Simplify right side
    19,871x = 758,892,304
  5. Step 5: Solve for x
    x = 758,892,304/19,871
  6. Step 6: Final answer
    x = 38,190.95

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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.