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Finding the Third Proportional to 6,644 and 13,816

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Solution

The third proportional to 6,644 and 13,816 is: 28,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644 : 13,816 = 13,816 : x
  2. Step 2: Convert to fraction form
    6,644/13,816 = 13,816/x
  3. Step 3: Cross multiply
    6,644x = 13,816 × 13,816
  4. Step 4: Simplify right side
    6,644x = 190,881,856
  5. Step 5: Solve for x
    x = 190,881,856/6,644
  6. Step 6: Final answer
    x = 28,729.96

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.