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Finding the Third Proportional to 394,161 and 601,085

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Solution

The third proportional to 394,161 and 601,085 is: 916,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,161 : 601,085 = 601,085 : x
  2. Step 2: Convert to fraction form
    394,161/601,085 = 601,085/x
  3. Step 3: Cross multiply
    394,161x = 601,085 × 601,085
  4. Step 4: Simplify right side
    394,161x = 361,303,177,225
  5. Step 5: Solve for x
    x = 361,303,177,225/394,161
  6. Step 6: Final answer
    x = 916,638.57

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.