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Finding the Third Proportional to 140,280 and 203,049

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Solution

The third proportional to 140,280 and 203,049 is: 293,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,280 : 203,049 = 203,049 : x
  2. Step 2: Convert to fraction form
    140,280/203,049 = 203,049/x
  3. Step 3: Cross multiply
    140,280x = 203,049 × 203,049
  4. Step 4: Simplify right side
    140,280x = 41,228,896,401
  5. Step 5: Solve for x
    x = 41,228,896,401/140,280
  6. Step 6: Final answer
    x = 293,904.31

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.