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Finding the Third Proportional to 217,228.50 and 454,306.50

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Solution

The third proportional to 217,228.50 and 454,306.50 is: 950,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,228.50 : 454,306.50 = 454,306.50 : x
  2. Step 2: Convert to fraction form
    217,228.50/454,306.50 = 454,306.50/x
  3. Step 3: Cross multiply
    217,228.50x = 454,306.50 × 454,306.50
  4. Step 4: Simplify right side
    217,228.50x = 206,394,395,942.25
  5. Step 5: Solve for x
    x = 206,394,395,942.25/217,228.50
  6. Step 6: Final answer
    x = 950,125.77

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.