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Finding the Third Proportional to 86,622,228 and 192,611,790

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Solution

The third proportional to 86,622,228 and 192,611,790 is: 428,288,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,622,228 : 192,611,790 = 192,611,790 : x
  2. Step 2: Convert to fraction form
    86,622,228/192,611,790 = 192,611,790/x
  3. Step 3: Cross multiply
    86,622,228x = 192,611,790 × 192,611,790
  4. Step 4: Simplify right side
    86,622,228x = 37,099,301,647,004,096
  5. Step 5: Solve for x
    x = 37,099,301,647,004,096/86,622,228
  6. Step 6: Final answer
    x = 428,288,471.72

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.