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Finding the Third Proportional to 203,205.75 and 301,866.75

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Solution

The third proportional to 203,205.75 and 301,866.75 is: 448,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,205.75 : 301,866.75 = 301,866.75 : x
  2. Step 2: Convert to fraction form
    203,205.75/301,866.75 = 301,866.75/x
  3. Step 3: Cross multiply
    203,205.75x = 301,866.75 × 301,866.75
  4. Step 4: Simplify right side
    203,205.75x = 91,123,534,755.56
  5. Step 5: Solve for x
    x = 91,123,534,755.56/203,205.75
  6. Step 6: Final answer
    x = 448,429.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.