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Finding the Third Proportional to 226,970 and 329,800

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Solution

The third proportional to 226,970 and 329,800 is: 479,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,970 : 329,800 = 329,800 : x
  2. Step 2: Convert to fraction form
    226,970/329,800 = 329,800/x
  3. Step 3: Cross multiply
    226,970x = 329,800 × 329,800
  4. Step 4: Simplify right side
    226,970x = 108,768,040,000
  5. Step 5: Solve for x
    x = 108,768,040,000/226,970
  6. Step 6: Final answer
    x = 479,217.69

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.