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Finding the Third Proportional to 107 and 164.75

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Solution

The third proportional to 107 and 164.75 is: 253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107 : 164.75 = 164.75 : x
  2. Step 2: Convert to fraction form
    107/164.75 = 164.75/x
  3. Step 3: Cross multiply
    107x = 164.75 × 164.75
  4. Step 4: Simplify right side
    107x = 27,142.56
  5. Step 5: Solve for x
    x = 27,142.56/107
  6. Step 6: Final answer
    x = 253.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.