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Finding the Third Proportional to 6,408 and 13,774

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Solution

The third proportional to 6,408 and 13,774 is: 29,607.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408 : 13,774 = 13,774 : x
  2. Step 2: Convert to fraction form
    6,408/13,774 = 13,774/x
  3. Step 3: Cross multiply
    6,408x = 13,774 × 13,774
  4. Step 4: Simplify right side
    6,408x = 189,723,076
  5. Step 5: Solve for x
    x = 189,723,076/6,408
  6. Step 6: Final answer
    x = 29,607.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.