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Finding the Third Proportional to 5,387,085 and 11,821,844

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Solution

The third proportional to 5,387,085 and 11,821,844 is: 25,942,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,085 : 11,821,844 = 11,821,844 : x
  2. Step 2: Convert to fraction form
    5,387,085/11,821,844 = 11,821,844/x
  3. Step 3: Cross multiply
    5,387,085x = 11,821,844 × 11,821,844
  4. Step 4: Simplify right side
    5,387,085x = 139,755,995,560,336
  5. Step 5: Solve for x
    x = 139,755,995,560,336/5,387,085
  6. Step 6: Final answer
    x = 25,942,786.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.