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Finding the Third Proportional to 66,670,872.75 and 100,183,809

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Solution

The third proportional to 66,670,872.75 and 100,183,809 is: 150,542,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,670,872.75 : 100,183,809 = 100,183,809 : x
  2. Step 2: Convert to fraction form
    66,670,872.75/100,183,809 = 100,183,809/x
  3. Step 3: Cross multiply
    66,670,872.75x = 100,183,809 × 100,183,809
  4. Step 4: Simplify right side
    66,670,872.75x = 10,036,795,585,748,480
  5. Step 5: Solve for x
    x = 10,036,795,585,748,480/66,670,872.75
  6. Step 6: Final answer
    x = 150,542,435.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.