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Finding the Third Proportional to 201 and 300.75

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Solution

The third proportional to 201 and 300.75 is: 450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201 : 300.75 = 300.75 : x
  2. Step 2: Convert to fraction form
    201/300.75 = 300.75/x
  3. Step 3: Cross multiply
    201x = 300.75 × 300.75
  4. Step 4: Simplify right side
    201x = 90,450.56
  5. Step 5: Solve for x
    x = 90,450.56/201
  6. Step 6: Final answer
    x = 450.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.