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Finding the Third Proportional to 274,040,667 and 646,686,918

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Solution

The third proportional to 274,040,667 and 646,686,918 is: 1,526,065,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,040,667 : 646,686,918 = 646,686,918 : x
  2. Step 2: Convert to fraction form
    274,040,667/646,686,918 = 646,686,918/x
  3. Step 3: Cross multiply
    274,040,667x = 646,686,918 × 646,686,918
  4. Step 4: Simplify right side
    274,040,667x = 418,203,969,912,338,752
  5. Step 5: Solve for x
    x = 418,203,969,912,338,752/274,040,667
  6. Step 6: Final answer
    x = 1,526,065,362.82

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.