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Finding the Third Proportional to 3,397,249.69 and 5,145,324.19

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Solution

The third proportional to 3,397,249.69 and 5,145,324.19 is: 7,792,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,249.69 : 5,145,324.19 = 5,145,324.19 : x
  2. Step 2: Convert to fraction form
    3,397,249.69/5,145,324.19 = 5,145,324.19/x
  3. Step 3: Cross multiply
    3,397,249.69x = 5,145,324.19 × 5,145,324.19
  4. Step 4: Simplify right side
    3,397,249.69x = 26,474,360,994,472.54
  5. Step 5: Solve for x
    x = 26,474,360,994,472.54/3,397,249.69
  6. Step 6: Final answer
    x = 7,792,880.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.