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Finding the Third Proportional to 215,149.50 and 454,923

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Solution

The third proportional to 215,149.50 and 454,923 is: 961,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,149.50 : 454,923 = 454,923 : x
  2. Step 2: Convert to fraction form
    215,149.50/454,923 = 454,923/x
  3. Step 3: Cross multiply
    215,149.50x = 454,923 × 454,923
  4. Step 4: Simplify right side
    215,149.50x = 206,954,935,929
  5. Step 5: Solve for x
    x = 206,954,935,929/215,149.50
  6. Step 6: Final answer
    x = 961,912.23

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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.