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Finding the Third Proportional to 236,934 and 490,635

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Solution

The third proportional to 236,934 and 490,635 is: 1,015,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,934 : 490,635 = 490,635 : x
  2. Step 2: Convert to fraction form
    236,934/490,635 = 490,635/x
  3. Step 3: Cross multiply
    236,934x = 490,635 × 490,635
  4. Step 4: Simplify right side
    236,934x = 240,722,703,225
  5. Step 5: Solve for x
    x = 240,722,703,225/236,934
  6. Step 6: Final answer
    x = 1,015,990.54

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.