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Finding the Third Proportional to 111,639,108 and 150,786,918

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Solution

The third proportional to 111,639,108 and 150,786,918 is: 203,662,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,639,108 : 150,786,918 = 150,786,918 : x
  2. Step 2: Convert to fraction form
    111,639,108/150,786,918 = 150,786,918/x
  3. Step 3: Cross multiply
    111,639,108x = 150,786,918 × 150,786,918
  4. Step 4: Simplify right side
    111,639,108x = 22,736,694,639,938,724
  5. Step 5: Solve for x
    x = 22,736,694,639,938,724/111,639,108
  6. Step 6: Final answer
    x = 203,662,453.48

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.