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Finding the Third Proportional to 33,449 and 51,821

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Solution

The third proportional to 33,449 and 51,821 is: 80,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,449 : 51,821 = 51,821 : x
  2. Step 2: Convert to fraction form
    33,449/51,821 = 51,821/x
  3. Step 3: Cross multiply
    33,449x = 51,821 × 51,821
  4. Step 4: Simplify right side
    33,449x = 2,685,416,041
  5. Step 5: Solve for x
    x = 2,685,416,041/33,449
  6. Step 6: Final answer
    x = 80,283.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.