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Finding the Third Proportional to 140,523.75 and 203,131.13

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Solution

The third proportional to 140,523.75 and 203,131.13 is: 293,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,523.75 : 203,131.13 = 203,131.13 : x
  2. Step 2: Convert to fraction form
    140,523.75/203,131.13 = 203,131.13/x
  3. Step 3: Cross multiply
    140,523.75x = 203,131.13 × 203,131.13
  4. Step 4: Simplify right side
    140,523.75x = 41,262,253,943.77
  5. Step 5: Solve for x
    x = 41,262,253,943.77/140,523.75
  6. Step 6: Final answer
    x = 293,631.89

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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.