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Finding the Third Proportional to 107.44 and 161.63

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Solution

The third proportional to 107.44 and 161.63 is: 243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.44 : 161.63 = 161.63 : x
  2. Step 2: Convert to fraction form
    107.44/161.63 = 161.63/x
  3. Step 3: Cross multiply
    107.44x = 161.63 × 161.63
  4. Step 4: Simplify right side
    107.44x = 26,122.64
  5. Step 5: Solve for x
    x = 26,122.64/107.44
  6. Step 6: Final answer
    x = 243.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.