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Finding the Third Proportional to 155.06 and 164.44

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Solution

The third proportional to 155.06 and 164.44 is: 174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.06 : 164.44 = 164.44 : x
  2. Step 2: Convert to fraction form
    155.06/164.44 = 164.44/x
  3. Step 3: Cross multiply
    155.06x = 164.44 × 164.44
  4. Step 4: Simplify right side
    155.06x = 27,039.69
  5. Step 5: Solve for x
    x = 27,039.69/155.06
  6. Step 6: Final answer
    x = 174.38

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Why These Related Problems?

These problems maintain the same ratio (1.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.