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Finding the Third Proportional to 18,444 and 27,718

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Solution

The third proportional to 18,444 and 27,718 is: 41,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444 : 27,718 = 27,718 : x
  2. Step 2: Convert to fraction form
    18,444/27,718 = 27,718/x
  3. Step 3: Cross multiply
    18,444x = 27,718 × 27,718
  4. Step 4: Simplify right side
    18,444x = 768,287,524
  5. Step 5: Solve for x
    x = 768,287,524/18,444
  6. Step 6: Final answer
    x = 41,655.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.