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Finding the Third Proportional to 140,274 and 303,876

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Solution

The third proportional to 140,274 and 303,876 is: 658,287.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,274 : 303,876 = 303,876 : x
  2. Step 2: Convert to fraction form
    140,274/303,876 = 303,876/x
  3. Step 3: Cross multiply
    140,274x = 303,876 × 303,876
  4. Step 4: Simplify right side
    140,274x = 92,340,623,376
  5. Step 5: Solve for x
    x = 92,340,623,376/140,274
  6. Step 6: Final answer
    x = 658,287.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.