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Finding the Third Proportional to 3,332,967.75 and 7,163,138.81

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Solution

The third proportional to 3,332,967.75 and 7,163,138.81 is: 15,394,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332,967.75 : 7,163,138.81 = 7,163,138.81 : x
  2. Step 2: Convert to fraction form
    3,332,967.75/7,163,138.81 = 7,163,138.81/x
  3. Step 3: Cross multiply
    3,332,967.75x = 7,163,138.81 × 7,163,138.81
  4. Step 4: Simplify right side
    3,332,967.75x = 51,310,557,647,143.91
  5. Step 5: Solve for x
    x = 51,310,557,647,143.91/3,332,967.75
  6. Step 6: Final answer
    x = 15,394,855.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.