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Finding the Third Proportional to 141 and 204.75

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Solution

The third proportional to 141 and 204.75 is: 297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141 : 204.75 = 204.75 : x
  2. Step 2: Convert to fraction form
    141/204.75 = 204.75/x
  3. Step 3: Cross multiply
    141x = 204.75 × 204.75
  4. Step 4: Simplify right side
    141x = 41,922.56
  5. Step 5: Solve for x
    x = 41,922.56/141
  6. Step 6: Final answer
    x = 297.32

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.