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Finding the Third Proportional to 8,436,340 and 18,396,713

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Solution

The third proportional to 8,436,340 and 18,396,713 is: 40,116,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436,340 : 18,396,713 = 18,396,713 : x
  2. Step 2: Convert to fraction form
    8,436,340/18,396,713 = 18,396,713/x
  3. Step 3: Cross multiply
    8,436,340x = 18,396,713 × 18,396,713
  4. Step 4: Simplify right side
    8,436,340x = 338,439,049,204,369
  5. Step 5: Solve for x
    x = 338,439,049,204,369/8,436,340
  6. Step 6: Final answer
    x = 40,116,810.04

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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.