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Finding the Third Proportional to 6,168 and 13,908

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Solution

The third proportional to 6,168 and 13,908 is: 31,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168 : 13,908 = 13,908 : x
  2. Step 2: Convert to fraction form
    6,168/13,908 = 13,908/x
  3. Step 3: Cross multiply
    6,168x = 13,908 × 13,908
  4. Step 4: Simplify right side
    6,168x = 193,432,464
  5. Step 5: Solve for x
    x = 193,432,464/6,168
  6. Step 6: Final answer
    x = 31,360.65

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.