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Finding the Third Proportional to 155,493 and 327,589.88

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Solution

The third proportional to 155,493 and 327,589.88 is: 690,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,493 : 327,589.88 = 327,589.88 : x
  2. Step 2: Convert to fraction form
    155,493/327,589.88 = 327,589.88/x
  3. Step 3: Cross multiply
    155,493x = 327,589.88 × 327,589.88
  4. Step 4: Simplify right side
    155,493x = 107,315,126,202.52
  5. Step 5: Solve for x
    x = 107,315,126,202.52/155,493
  6. Step 6: Final answer
    x = 690,160.50

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.