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Finding the Third Proportional to 76,049,831 and 164,222,761

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Solution

The third proportional to 76,049,831 and 164,222,761 is: 354,624,262.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,049,831 : 164,222,761 = 164,222,761 : x
  2. Step 2: Convert to fraction form
    76,049,831/164,222,761 = 164,222,761/x
  3. Step 3: Cross multiply
    76,049,831x = 164,222,761 × 164,222,761
  4. Step 4: Simplify right side
    76,049,831x = 26,969,115,230,463,120
  5. Step 5: Solve for x
    x = 26,969,115,230,463,120/76,049,831
  6. Step 6: Final answer
    x = 354,624,262.48

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Why These Related Problems?

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