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Finding the Third Proportional to 8,511,962 and 18,677,620

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Solution

The third proportional to 8,511,962 and 18,677,620 is: 40,983,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,962 : 18,677,620 = 18,677,620 : x
  2. Step 2: Convert to fraction form
    8,511,962/18,677,620 = 18,677,620/x
  3. Step 3: Cross multiply
    8,511,962x = 18,677,620 × 18,677,620
  4. Step 4: Simplify right side
    8,511,962x = 348,853,488,864,400
  5. Step 5: Solve for x
    x = 348,853,488,864,400/8,511,962
  6. Step 6: Final answer
    x = 40,983,910.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.