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Finding the Third Proportional to 16,211 and 33,655

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Solution

The third proportional to 16,211 and 33,655 is: 69,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211 : 33,655 = 33,655 : x
  2. Step 2: Convert to fraction form
    16,211/33,655 = 33,655/x
  3. Step 3: Cross multiply
    16,211x = 33,655 × 33,655
  4. Step 4: Simplify right side
    16,211x = 1,132,659,025
  5. Step 5: Solve for x
    x = 1,132,659,025/16,211
  6. Step 6: Final answer
    x = 69,869.78

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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.