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Finding the Third Proportional to 201 and 240.50

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Solution

The third proportional to 201 and 240.50 is: 287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201 : 240.50 = 240.50 : x
  2. Step 2: Convert to fraction form
    201/240.50 = 240.50/x
  3. Step 3: Cross multiply
    201x = 240.50 × 240.50
  4. Step 4: Simplify right side
    201x = 57,840.25
  5. Step 5: Solve for x
    x = 57,840.25/201
  6. Step 6: Final answer
    x = 287.76

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.