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Finding the Third Proportional to 226.23 and 398.04

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Solution

The third proportional to 226.23 and 398.04 is: 700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.23 : 398.04 = 398.04 : x
  2. Step 2: Convert to fraction form
    226.23/398.04 = 398.04/x
  3. Step 3: Cross multiply
    226.23x = 398.04 × 398.04
  4. Step 4: Simplify right side
    226.23x = 158,435.10
  5. Step 5: Solve for x
    x = 158,435.10/226.23
  6. Step 6: Final answer
    x = 700.33

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.