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Finding the Third Proportional to 8,449,516 and 18,245,936

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Solution

The third proportional to 8,449,516 and 18,245,936 is: 39,400,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,516 : 18,245,936 = 18,245,936 : x
  2. Step 2: Convert to fraction form
    8,449,516/18,245,936 = 18,245,936/x
  3. Step 3: Cross multiply
    8,449,516x = 18,245,936 × 18,245,936
  4. Step 4: Simplify right side
    8,449,516x = 332,914,180,516,096
  5. Step 5: Solve for x
    x = 332,914,180,516,096/8,449,516
  6. Step 6: Final answer
    x = 39,400,384.65

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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.