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Finding the Third Proportional to 201.50 and 302.25

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Solution

The third proportional to 201.50 and 302.25 is: 453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.50 : 302.25 = 302.25 : x
  2. Step 2: Convert to fraction form
    201.50/302.25 = 302.25/x
  3. Step 3: Cross multiply
    201.50x = 302.25 × 302.25
  4. Step 4: Simplify right side
    201.50x = 91,355.06
  5. Step 5: Solve for x
    x = 91,355.06/201.50
  6. Step 6: Final answer
    x = 453.38

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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.