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Finding the Third Proportional to 33,899 and 51,857

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Solution

The third proportional to 33,899 and 51,857 is: 79,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,899 : 51,857 = 51,857 : x
  2. Step 2: Convert to fraction form
    33,899/51,857 = 51,857/x
  3. Step 3: Cross multiply
    33,899x = 51,857 × 51,857
  4. Step 4: Simplify right side
    33,899x = 2,689,148,449
  5. Step 5: Solve for x
    x = 2,689,148,449/33,899
  6. Step 6: Final answer
    x = 79,328.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.