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Finding the Third Proportional to 66,670,890.75 and 100,183,839.75

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Solution

The third proportional to 66,670,890.75 and 100,183,839.75 is: 150,542,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,670,890.75 : 100,183,839.75 = 100,183,839.75 : x
  2. Step 2: Convert to fraction form
    66,670,890.75/100,183,839.75 = 100,183,839.75/x
  3. Step 3: Cross multiply
    66,670,890.75x = 100,183,839.75 × 100,183,839.75
  4. Step 4: Simplify right side
    66,670,890.75x = 10,036,801,747,053,680
  5. Step 5: Solve for x
    x = 10,036,801,747,053,680/66,670,890.75
  6. Step 6: Final answer
    x = 150,542,487.65

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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.