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Finding the Third Proportional to 912,861 and 1,419,072.75

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Solution

The third proportional to 912,861 and 1,419,072.75 is: 2,205,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,861 : 1,419,072.75 = 1,419,072.75 : x
  2. Step 2: Convert to fraction form
    912,861/1,419,072.75 = 1,419,072.75/x
  3. Step 3: Cross multiply
    912,861x = 1,419,072.75 × 1,419,072.75
  4. Step 4: Simplify right side
    912,861x = 2,013,767,469,792.56
  5. Step 5: Solve for x
    x = 2,013,767,469,792.56/912,861
  6. Step 6: Final answer
    x = 2,205,995.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.