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Finding the Third Proportional to 111,773.25 and 217,923.75

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Solution

The third proportional to 111,773.25 and 217,923.75 is: 424,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,773.25 : 217,923.75 = 217,923.75 : x
  2. Step 2: Convert to fraction form
    111,773.25/217,923.75 = 217,923.75/x
  3. Step 3: Cross multiply
    111,773.25x = 217,923.75 × 217,923.75
  4. Step 4: Simplify right side
    111,773.25x = 47,490,760,814.06
  5. Step 5: Solve for x
    x = 47,490,760,814.06/111,773.25
  6. Step 6: Final answer
    x = 424,884.85

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.