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Finding the Third Proportional to 19,940,367 and 43,283,911

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Solution

The third proportional to 19,940,367 and 43,283,911 is: 93,954,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940,367 : 43,283,911 = 43,283,911 : x
  2. Step 2: Convert to fraction form
    19,940,367/43,283,911 = 43,283,911/x
  3. Step 3: Cross multiply
    19,940,367x = 43,283,911 × 43,283,911
  4. Step 4: Simplify right side
    19,940,367x = 1,873,496,951,455,921
  5. Step 5: Solve for x
    x = 1,873,496,951,455,921/19,940,367
  6. Step 6: Final answer
    x = 93,954,988.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.