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Finding the Third Proportional to 641,007.75 and 1,367,811

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Solution

The third proportional to 641,007.75 and 1,367,811 is: 2,918,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,007.75 : 1,367,811 = 1,367,811 : x
  2. Step 2: Convert to fraction form
    641,007.75/1,367,811 = 1,367,811/x
  3. Step 3: Cross multiply
    641,007.75x = 1,367,811 × 1,367,811
  4. Step 4: Simplify right side
    641,007.75x = 1,870,906,931,721
  5. Step 5: Solve for x
    x = 1,870,906,931,721/641,007.75
  6. Step 6: Final answer
    x = 2,918,696.27

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.