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Finding the Third Proportional to 2,638 and 5,599

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Solution

The third proportional to 2,638 and 5,599 is: 11,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638 : 5,599 = 5,599 : x
  2. Step 2: Convert to fraction form
    2,638/5,599 = 5,599/x
  3. Step 3: Cross multiply
    2,638x = 5,599 × 5,599
  4. Step 4: Simplify right side
    2,638x = 31,348,801
  5. Step 5: Solve for x
    x = 31,348,801/2,638
  6. Step 6: Final answer
    x = 11,883.55

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.