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Finding the Third Proportional to 13,211 and 28,204

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Solution

The third proportional to 13,211 and 28,204 is: 60,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211 : 28,204 = 28,204 : x
  2. Step 2: Convert to fraction form
    13,211/28,204 = 28,204/x
  3. Step 3: Cross multiply
    13,211x = 28,204 × 28,204
  4. Step 4: Simplify right side
    13,211x = 795,465,616
  5. Step 5: Solve for x
    x = 795,465,616/13,211
  6. Step 6: Final answer
    x = 60,212.37

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.