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Finding the Third Proportional to 828,771.75 and 1,785,067.88

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Solution

The third proportional to 828,771.75 and 1,785,067.88 is: 3,844,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,771.75 : 1,785,067.88 = 1,785,067.88 : x
  2. Step 2: Convert to fraction form
    828,771.75/1,785,067.88 = 1,785,067.88/x
  3. Step 3: Cross multiply
    828,771.75x = 1,785,067.88 × 1,785,067.88
  4. Step 4: Simplify right side
    828,771.75x = 3,186,467,318,357.02
  5. Step 5: Solve for x
    x = 3,186,467,318,357.02/828,771.75
  6. Step 6: Final answer
    x = 3,844,806.87

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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.