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Finding the Third Proportional to 6,864 and 10,736

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Solution

The third proportional to 6,864 and 10,736 is: 16,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864 : 10,736 = 10,736 : x
  2. Step 2: Convert to fraction form
    6,864/10,736 = 10,736/x
  3. Step 3: Cross multiply
    6,864x = 10,736 × 10,736
  4. Step 4: Simplify right side
    6,864x = 115,261,696
  5. Step 5: Solve for x
    x = 115,261,696/6,864
  6. Step 6: Final answer
    x = 16,792.21

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.