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Finding the Third Proportional to 19,326,909 and 41,420,406

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Solution

The third proportional to 19,326,909 and 41,420,406 is: 88,770,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326,909 : 41,420,406 = 41,420,406 : x
  2. Step 2: Convert to fraction form
    19,326,909/41,420,406 = 41,420,406/x
  3. Step 3: Cross multiply
    19,326,909x = 41,420,406 × 41,420,406
  4. Step 4: Simplify right side
    19,326,909x = 1,715,650,033,204,836
  5. Step 5: Solve for x
    x = 1,715,650,033,204,836/19,326,909
  6. Step 6: Final answer
    x = 88,770,016.62

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.