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Finding the Third Proportional to 862,822.76 and 1,339,674.19

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Solution

The third proportional to 862,822.76 and 1,339,674.19 is: 2,080,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,822.76 : 1,339,674.19 = 1,339,674.19 : x
  2. Step 2: Convert to fraction form
    862,822.76/1,339,674.19 = 1,339,674.19/x
  3. Step 3: Cross multiply
    862,822.76x = 1,339,674.19 × 1,339,674.19
  4. Step 4: Simplify right side
    862,822.76x = 1,794,726,928,653.79
  5. Step 5: Solve for x
    x = 1,794,726,928,653.79/862,822.76
  6. Step 6: Final answer
    x = 2,080,064.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.