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Finding the Third Proportional to 5,387,149 and 11,628,866

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Solution

The third proportional to 5,387,149 and 11,628,866 is: 25,102,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,149 : 11,628,866 = 11,628,866 : x
  2. Step 2: Convert to fraction form
    5,387,149/11,628,866 = 11,628,866/x
  3. Step 3: Cross multiply
    5,387,149x = 11,628,866 × 11,628,866
  4. Step 4: Simplify right side
    5,387,149x = 135,230,524,445,956
  5. Step 5: Solve for x
    x = 135,230,524,445,956/5,387,149
  6. Step 6: Final answer
    x = 25,102,428.84

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.