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Finding the Third Proportional to 201.56 and 264.38

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Solution

The third proportional to 201.56 and 264.38 is: 346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.56 : 264.38 = 264.38 : x
  2. Step 2: Convert to fraction form
    201.56/264.38 = 264.38/x
  3. Step 3: Cross multiply
    201.56x = 264.38 × 264.38
  4. Step 4: Simplify right side
    201.56x = 69,894.14
  5. Step 5: Solve for x
    x = 69,894.14/201.56
  6. Step 6: Final answer
    x = 346.76

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.