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Finding the Third Proportional to 2,481,897.38 and 5,403,279.66

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Solution

The third proportional to 2,481,897.38 and 5,403,279.66 is: 11,763,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481,897.38 : 5,403,279.66 = 5,403,279.66 : x
  2. Step 2: Convert to fraction form
    2,481,897.38/5,403,279.66 = 5,403,279.66/x
  3. Step 3: Cross multiply
    2,481,897.38x = 5,403,279.66 × 5,403,279.66
  4. Step 4: Simplify right side
    2,481,897.38x = 29,195,431,043,645.12
  5. Step 5: Solve for x
    x = 29,195,431,043,645.12/2,481,897.38
  6. Step 6: Final answer
    x = 11,763,351.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.