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Finding the Third Proportional to 19,363,812 and 41,715,198

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Solution

The third proportional to 19,363,812 and 41,715,198 is: 89,866,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363,812 : 41,715,198 = 41,715,198 : x
  2. Step 2: Convert to fraction form
    19,363,812/41,715,198 = 41,715,198/x
  3. Step 3: Cross multiply
    19,363,812x = 41,715,198 × 41,715,198
  4. Step 4: Simplify right side
    19,363,812x = 1,740,157,744,179,204
  5. Step 5: Solve for x
    x = 1,740,157,744,179,204/19,363,812
  6. Step 6: Final answer
    x = 89,866,486.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.