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Finding the Third Proportional to 1,871 and 2,481

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Solution

The third proportional to 1,871 and 2,481 is: 3,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871 : 2,481 = 2,481 : x
  2. Step 2: Convert to fraction form
    1,871/2,481 = 2,481/x
  3. Step 3: Cross multiply
    1,871x = 2,481 × 2,481
  4. Step 4: Simplify right side
    1,871x = 6,155,361
  5. Step 5: Solve for x
    x = 6,155,361/1,871
  6. Step 6: Final answer
    x = 3,289.88

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.