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Finding the Third Proportional to 3,424,590 and 7,378,974

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Solution

The third proportional to 3,424,590 and 7,378,974 is: 15,899,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424,590 : 7,378,974 = 7,378,974 : x
  2. Step 2: Convert to fraction form
    3,424,590/7,378,974 = 7,378,974/x
  3. Step 3: Cross multiply
    3,424,590x = 7,378,974 × 7,378,974
  4. Step 4: Simplify right side
    3,424,590x = 54,449,257,292,676
  5. Step 5: Solve for x
    x = 54,449,257,292,676/3,424,590
  6. Step 6: Final answer
    x = 15,899,496.67

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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.