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Finding the Third Proportional to 2,481 and 3,811

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Solution

The third proportional to 2,481 and 3,811 is: 5,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481 : 3,811 = 3,811 : x
  2. Step 2: Convert to fraction form
    2,481/3,811 = 3,811/x
  3. Step 3: Cross multiply
    2,481x = 3,811 × 3,811
  4. Step 4: Simplify right side
    2,481x = 14,523,721
  5. Step 5: Solve for x
    x = 14,523,721/2,481
  6. Step 6: Final answer
    x = 5,853.98

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.