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Finding the Third Proportional to 339,147 and 744,876

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Solution

The third proportional to 339,147 and 744,876 is: 1,635,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,147 : 744,876 = 744,876 : x
  2. Step 2: Convert to fraction form
    339,147/744,876 = 744,876/x
  3. Step 3: Cross multiply
    339,147x = 744,876 × 744,876
  4. Step 4: Simplify right side
    339,147x = 554,840,255,376
  5. Step 5: Solve for x
    x = 554,840,255,376/339,147
  6. Step 6: Final answer
    x = 1,635,987.51

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.