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Finding the Third Proportional to 3,239,289 and 7,086,919

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Solution

The third proportional to 3,239,289 and 7,086,919 is: 15,504,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239,289 : 7,086,919 = 7,086,919 : x
  2. Step 2: Convert to fraction form
    3,239,289/7,086,919 = 7,086,919/x
  3. Step 3: Cross multiply
    3,239,289x = 7,086,919 × 7,086,919
  4. Step 4: Simplify right side
    3,239,289x = 50,224,420,912,561
  5. Step 5: Solve for x
    x = 50,224,420,912,561/3,239,289
  6. Step 6: Final answer
    x = 15,504,766.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.