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Finding the Third Proportional to 3,424,585.50 and 7,378,965

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Solution

The third proportional to 3,424,585.50 and 7,378,965 is: 15,899,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424,585.50 : 7,378,965 = 7,378,965 : x
  2. Step 2: Convert to fraction form
    3,424,585.50/7,378,965 = 7,378,965/x
  3. Step 3: Cross multiply
    3,424,585.50x = 7,378,965 × 7,378,965
  4. Step 4: Simplify right side
    3,424,585.50x = 54,449,124,471,225
  5. Step 5: Solve for x
    x = 54,449,124,471,225/3,424,585.50
  6. Step 6: Final answer
    x = 15,899,478.78

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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.