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Finding the Third Proportional to 3,393,966 and 7,319,256

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Solution

The third proportional to 3,393,966 and 7,319,256 is: 15,784,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,966 : 7,319,256 = 7,319,256 : x
  2. Step 2: Convert to fraction form
    3,393,966/7,319,256 = 7,319,256/x
  3. Step 3: Cross multiply
    3,393,966x = 7,319,256 × 7,319,256
  4. Step 4: Simplify right side
    3,393,966x = 53,571,508,393,536
  5. Step 5: Solve for x
    x = 53,571,508,393,536/3,393,966
  6. Step 6: Final answer
    x = 15,784,338.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.