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Finding the Third Proportional to 8,338 and 13,302

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Solution

The third proportional to 8,338 and 13,302 is: 21,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338 : 13,302 = 13,302 : x
  2. Step 2: Convert to fraction form
    8,338/13,302 = 13,302/x
  3. Step 3: Cross multiply
    8,338x = 13,302 × 13,302
  4. Step 4: Simplify right side
    8,338x = 176,943,204
  5. Step 5: Solve for x
    x = 176,943,204/8,338
  6. Step 6: Final answer
    x = 21,221.30

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.