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Finding the Third Proportional to 201.09 and 297.56

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Solution

The third proportional to 201.09 and 297.56 is: 440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.09 : 297.56 = 297.56 : x
  2. Step 2: Convert to fraction form
    201.09/297.56 = 297.56/x
  3. Step 3: Cross multiply
    201.09x = 297.56 × 297.56
  4. Step 4: Simplify right side
    201.09x = 88,543.44
  5. Step 5: Solve for x
    x = 88,543.44/201.09
  6. Step 6: Final answer
    x = 440.31

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.