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Finding the Third Proportional to 3,926,286 and 8,305,267.50

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Solution

The third proportional to 3,926,286 and 8,305,267.50 is: 17,568,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,286 : 8,305,267.50 = 8,305,267.50 : x
  2. Step 2: Convert to fraction form
    3,926,286/8,305,267.50 = 8,305,267.50/x
  3. Step 3: Cross multiply
    3,926,286x = 8,305,267.50 × 8,305,267.50
  4. Step 4: Simplify right side
    3,926,286x = 68,977,468,246,556.25
  5. Step 5: Solve for x
    x = 68,977,468,246,556.25/3,926,286
  6. Step 6: Final answer
    x = 17,568,121.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.