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Finding the Third Proportional to 155,499.75 and 327,601.13

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Solution

The third proportional to 155,499.75 and 327,601.13 is: 690,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,499.75 : 327,601.13 = 327,601.13 : x
  2. Step 2: Convert to fraction form
    155,499.75/327,601.13 = 327,601.13/x
  3. Step 3: Cross multiply
    155,499.75x = 327,601.13 × 327,601.13
  4. Step 4: Simplify right side
    155,499.75x = 107,322,497,101.27
  5. Step 5: Solve for x
    x = 107,322,497,101.27/155,499.75
  6. Step 6: Final answer
    x = 690,177.94

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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.