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Finding the Third Proportional to 15,638 and 33,734

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Solution

The third proportional to 15,638 and 33,734 is: 72,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638 : 33,734 = 33,734 : x
  2. Step 2: Convert to fraction form
    15,638/33,734 = 33,734/x
  3. Step 3: Cross multiply
    15,638x = 33,734 × 33,734
  4. Step 4: Simplify right side
    15,638x = 1,137,982,756
  5. Step 5: Solve for x
    x = 1,137,982,756/15,638
  6. Step 6: Final answer
    x = 72,770.35

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.