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Finding the Third Proportional to 8,682,403 and 18,907,694

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Solution

The third proportional to 8,682,403 and 18,907,694 is: 41,175,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,403 : 18,907,694 = 18,907,694 : x
  2. Step 2: Convert to fraction form
    8,682,403/18,907,694 = 18,907,694/x
  3. Step 3: Cross multiply
    8,682,403x = 18,907,694 × 18,907,694
  4. Step 4: Simplify right side
    8,682,403x = 357,500,892,397,636
  5. Step 5: Solve for x
    x = 357,500,892,397,636/8,682,403
  6. Step 6: Final answer
    x = 41,175,339.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.