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Finding the Third Proportional to 15,436 and 33,211

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Solution

The third proportional to 15,436 and 33,211 is: 71,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436 : 33,211 = 33,211 : x
  2. Step 2: Convert to fraction form
    15,436/33,211 = 33,211/x
  3. Step 3: Cross multiply
    15,436x = 33,211 × 33,211
  4. Step 4: Simplify right side
    15,436x = 1,102,970,521
  5. Step 5: Solve for x
    x = 1,102,970,521/15,436
  6. Step 6: Final answer
    x = 71,454.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.