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Finding the Third Proportional to 18,585,037 and 39,860,449

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Solution

The third proportional to 18,585,037 and 39,860,449 is: 85,491,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585,037 : 39,860,449 = 39,860,449 : x
  2. Step 2: Convert to fraction form
    18,585,037/39,860,449 = 39,860,449/x
  3. Step 3: Cross multiply
    18,585,037x = 39,860,449 × 39,860,449
  4. Step 4: Simplify right side
    18,585,037x = 1,588,855,394,481,601
  5. Step 5: Solve for x
    x = 1,588,855,394,481,601/18,585,037
  6. Step 6: Final answer
    x = 85,491,107.42

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.