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Finding the Third Proportional to 141 and 160.75

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Solution

The third proportional to 141 and 160.75 is: 183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141 : 160.75 = 160.75 : x
  2. Step 2: Convert to fraction form
    141/160.75 = 160.75/x
  3. Step 3: Cross multiply
    141x = 160.75 × 160.75
  4. Step 4: Simplify right side
    141x = 25,840.56
  5. Step 5: Solve for x
    x = 25,840.56/141
  6. Step 6: Final answer
    x = 183.27

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.