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Finding the Third Proportional to 8,727.75 and 18,441

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Solution

The third proportional to 8,727.75 and 18,441 is: 38,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.75 : 18,441 = 18,441 : x
  2. Step 2: Convert to fraction form
    8,727.75/18,441 = 18,441/x
  3. Step 3: Cross multiply
    8,727.75x = 18,441 × 18,441
  4. Step 4: Simplify right side
    8,727.75x = 340,070,481
  5. Step 5: Solve for x
    x = 340,070,481/8,727.75
  6. Step 6: Final answer
    x = 38,964.28

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.