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Finding the Third Proportional to 110.25 and 161.63

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Solution

The third proportional to 110.25 and 161.63 is: 236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.25 : 161.63 = 161.63 : x
  2. Step 2: Convert to fraction form
    110.25/161.63 = 161.63/x
  3. Step 3: Cross multiply
    110.25x = 161.63 × 161.63
  4. Step 4: Simplify right side
    110.25x = 26,122.64
  5. Step 5: Solve for x
    x = 26,122.64/110.25
  6. Step 6: Final answer
    x = 236.94

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.