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Finding the Third Proportional to 327,154 and 479,930

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Solution

The third proportional to 327,154 and 479,930 is: 704,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,154 : 479,930 = 479,930 : x
  2. Step 2: Convert to fraction form
    327,154/479,930 = 479,930/x
  3. Step 3: Cross multiply
    327,154x = 479,930 × 479,930
  4. Step 4: Simplify right side
    327,154x = 230,332,804,900
  5. Step 5: Solve for x
    x = 230,332,804,900/327,154
  6. Step 6: Final answer
    x = 704,050.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.