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Finding the Third Proportional to 13,608 and 29,376

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Solution

The third proportional to 13,608 and 29,376 is: 63,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608 : 29,376 = 29,376 : x
  2. Step 2: Convert to fraction form
    13,608/29,376 = 29,376/x
  3. Step 3: Cross multiply
    13,608x = 29,376 × 29,376
  4. Step 4: Simplify right side
    13,608x = 862,949,376
  5. Step 5: Solve for x
    x = 862,949,376/13,608
  6. Step 6: Final answer
    x = 63,414.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.