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Finding the Third Proportional to 655,041 and 1,388,811

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Solution

The third proportional to 655,041 and 1,388,811 is: 2,944,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,041 : 1,388,811 = 1,388,811 : x
  2. Step 2: Convert to fraction form
    655,041/1,388,811 = 1,388,811/x
  3. Step 3: Cross multiply
    655,041x = 1,388,811 × 1,388,811
  4. Step 4: Simplify right side
    655,041x = 1,928,795,993,721
  5. Step 5: Solve for x
    x = 1,928,795,993,721/655,041
  6. Step 6: Final answer
    x = 2,944,542.39

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.