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Finding the Third Proportional to 204,628 and 419,096

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Solution

The third proportional to 204,628 and 419,096 is: 858,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,628 : 419,096 = 419,096 : x
  2. Step 2: Convert to fraction form
    204,628/419,096 = 419,096/x
  3. Step 3: Cross multiply
    204,628x = 419,096 × 419,096
  4. Step 4: Simplify right side
    204,628x = 175,641,457,216
  5. Step 5: Solve for x
    x = 175,641,457,216/204,628
  6. Step 6: Final answer
    x = 858,345.18

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.