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Finding the Third Proportional to 33,915 and 49,857

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Solution

The third proportional to 33,915 and 49,857 is: 73,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915 : 49,857 = 49,857 : x
  2. Step 2: Convert to fraction form
    33,915/49,857 = 49,857/x
  3. Step 3: Cross multiply
    33,915x = 49,857 × 49,857
  4. Step 4: Simplify right side
    33,915x = 2,485,720,449
  5. Step 5: Solve for x
    x = 2,485,720,449/33,915
  6. Step 6: Final answer
    x = 73,292.66

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.