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Finding the Third Proportional to 140,016.75 and 220,230.75

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Solution

The third proportional to 140,016.75 and 220,230.75 is: 346,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,016.75 : 220,230.75 = 220,230.75 : x
  2. Step 2: Convert to fraction form
    140,016.75/220,230.75 = 220,230.75/x
  3. Step 3: Cross multiply
    140,016.75x = 220,230.75 × 220,230.75
  4. Step 4: Simplify right side
    140,016.75x = 48,501,583,245.56
  5. Step 5: Solve for x
    x = 48,501,583,245.56/140,016.75
  6. Step 6: Final answer
    x = 346,398.44

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.