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Finding the Third Proportional to 8,248,847 and 12,479,439

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Solution

The third proportional to 8,248,847 and 12,479,439 is: 18,879,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248,847 : 12,479,439 = 12,479,439 : x
  2. Step 2: Convert to fraction form
    8,248,847/12,479,439 = 12,479,439/x
  3. Step 3: Cross multiply
    8,248,847x = 12,479,439 × 12,479,439
  4. Step 4: Simplify right side
    8,248,847x = 155,736,397,754,721
  5. Step 5: Solve for x
    x = 155,736,397,754,721/8,248,847
  6. Step 6: Final answer
    x = 18,879,777.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.