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Finding the Third Proportional to 8,682,396 and 18,907,680

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Solution

The third proportional to 8,682,396 and 18,907,680 is: 41,175,311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,396 : 18,907,680 = 18,907,680 : x
  2. Step 2: Convert to fraction form
    8,682,396/18,907,680 = 18,907,680/x
  3. Step 3: Cross multiply
    8,682,396x = 18,907,680 × 18,907,680
  4. Step 4: Simplify right side
    8,682,396x = 357,500,362,982,400
  5. Step 5: Solve for x
    x = 357,500,362,982,400/8,682,396
  6. Step 6: Final answer
    x = 41,175,311.86

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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.