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Finding the Third Proportional to 1,121 and 2,404

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Solution

The third proportional to 1,121 and 2,404 is: 5,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121 : 2,404 = 2,404 : x
  2. Step 2: Convert to fraction form
    1,121/2,404 = 2,404/x
  3. Step 3: Cross multiply
    1,121x = 2,404 × 2,404
  4. Step 4: Simplify right side
    1,121x = 5,779,216
  5. Step 5: Solve for x
    x = 5,779,216/1,121
  6. Step 6: Final answer
    x = 5,155.41

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.