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Finding the Third Proportional to 8,449,315 and 18,245,606

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Solution

The third proportional to 8,449,315 and 18,245,606 is: 39,399,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,315 : 18,245,606 = 18,245,606 : x
  2. Step 2: Convert to fraction form
    8,449,315/18,245,606 = 18,245,606/x
  3. Step 3: Cross multiply
    8,449,315x = 18,245,606 × 18,245,606
  4. Step 4: Simplify right side
    8,449,315x = 332,902,138,307,236
  5. Step 5: Solve for x
    x = 332,902,138,307,236/8,449,315
  6. Step 6: Final answer
    x = 39,399,896.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.