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Finding the Third Proportional to 204,626 and 449,854

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Solution

The third proportional to 204,626 and 449,854 is: 988,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,626 : 449,854 = 449,854 : x
  2. Step 2: Convert to fraction form
    204,626/449,854 = 449,854/x
  3. Step 3: Cross multiply
    204,626x = 449,854 × 449,854
  4. Step 4: Simplify right side
    204,626x = 202,368,621,316
  5. Step 5: Solve for x
    x = 202,368,621,316/204,626
  6. Step 6: Final answer
    x = 988,968.27

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.