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Finding the Third Proportional to 394,320 and 601,236

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Solution

The third proportional to 394,320 and 601,236 is: 916,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,320 : 601,236 = 601,236 : x
  2. Step 2: Convert to fraction form
    394,320/601,236 = 601,236/x
  3. Step 3: Cross multiply
    394,320x = 601,236 × 601,236
  4. Step 4: Simplify right side
    394,320x = 361,484,727,696
  5. Step 5: Solve for x
    x = 361,484,727,696/394,320
  6. Step 6: Final answer
    x = 916,729.38

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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.