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Finding the Third Proportional to 1,279,880.53 and 2,749,704.86

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Solution

The third proportional to 1,279,880.53 and 2,749,704.86 is: 5,907,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,880.53 : 2,749,704.86 = 2,749,704.86 : x
  2. Step 2: Convert to fraction form
    1,279,880.53/2,749,704.86 = 2,749,704.86/x
  3. Step 3: Cross multiply
    1,279,880.53x = 2,749,704.86 × 2,749,704.86
  4. Step 4: Simplify right side
    1,279,880.53x = 7,560,876,840,523.56
  5. Step 5: Solve for x
    x = 7,560,876,840,523.56/1,279,880.53
  6. Step 6: Final answer
    x = 5,907,486.43

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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.