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Finding the Third Proportional to 3,454,923 and 7,131,138

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Solution

The third proportional to 3,454,923 and 7,131,138 is: 14,719,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454,923 : 7,131,138 = 7,131,138 : x
  2. Step 2: Convert to fraction form
    3,454,923/7,131,138 = 7,131,138/x
  3. Step 3: Cross multiply
    3,454,923x = 7,131,138 × 7,131,138
  4. Step 4: Simplify right side
    3,454,923x = 50,853,129,175,044
  5. Step 5: Solve for x
    x = 50,853,129,175,044/3,454,923
  6. Step 6: Final answer
    x = 14,719,034.02

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.