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Finding the Third Proportional to 18,689,839 and 27,325,198

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Solution

The third proportional to 18,689,839 and 27,325,198 is: 39,950,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,839 : 27,325,198 = 27,325,198 : x
  2. Step 2: Convert to fraction form
    18,689,839/27,325,198 = 27,325,198/x
  3. Step 3: Cross multiply
    18,689,839x = 27,325,198 × 27,325,198
  4. Step 4: Simplify right side
    18,689,839x = 746,666,445,739,204
  5. Step 5: Solve for x
    x = 746,666,445,739,204/18,689,839
  6. Step 6: Final answer
    x = 39,950,394.74

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.