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Finding the Third Proportional to 150.56 and 171.19

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Solution

The third proportional to 150.56 and 171.19 is: 194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.56 : 171.19 = 171.19 : x
  2. Step 2: Convert to fraction form
    150.56/171.19 = 171.19/x
  3. Step 3: Cross multiply
    150.56x = 171.19 × 171.19
  4. Step 4: Simplify right side
    150.56x = 29,305.16
  5. Step 5: Solve for x
    x = 29,305.16/150.56
  6. Step 6: Final answer
    x = 194.64

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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.