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Finding the Third Proportional to 68,635.50 and 150,393

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Solution

The third proportional to 68,635.50 and 150,393 is: 329,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,635.50 : 150,393 = 150,393 : x
  2. Step 2: Convert to fraction form
    68,635.50/150,393 = 150,393/x
  3. Step 3: Cross multiply
    68,635.50x = 150,393 × 150,393
  4. Step 4: Simplify right side
    68,635.50x = 22,618,054,449
  5. Step 5: Solve for x
    x = 22,618,054,449/68,635.50
  6. Step 6: Final answer
    x = 329,538.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.