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Finding the Third Proportional to 33,968.50 and 69,449

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Solution

The third proportional to 33,968.50 and 69,449 is: 141,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,968.50 : 69,449 = 69,449 : x
  2. Step 2: Convert to fraction form
    33,968.50/69,449 = 69,449/x
  3. Step 3: Cross multiply
    33,968.50x = 69,449 × 69,449
  4. Step 4: Simplify right side
    33,968.50x = 4,823,163,601
  5. Step 5: Solve for x
    x = 4,823,163,601/33,968.50
  6. Step 6: Final answer
    x = 141,989.30

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.