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Finding the Third Proportional to 33,050 and 68,638

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Solution

The third proportional to 33,050 and 68,638 is: 142,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,050 : 68,638 = 68,638 : x
  2. Step 2: Convert to fraction form
    33,050/68,638 = 68,638/x
  3. Step 3: Cross multiply
    33,050x = 68,638 × 68,638
  4. Step 4: Simplify right side
    33,050x = 4,711,175,044
  5. Step 5: Solve for x
    x = 4,711,175,044/33,050
  6. Step 6: Final answer
    x = 142,546.90

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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.