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Finding the Third Proportional to 33,215 and 49,859

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Solution

The third proportional to 33,215 and 49,859 is: 74,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215 : 49,859 = 49,859 : x
  2. Step 2: Convert to fraction form
    33,215/49,859 = 49,859/x
  3. Step 3: Cross multiply
    33,215x = 49,859 × 49,859
  4. Step 4: Simplify right side
    33,215x = 2,485,919,881
  5. Step 5: Solve for x
    x = 2,485,919,881/33,215
  6. Step 6: Final answer
    x = 74,843.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.