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Finding the Third Proportional to 50.13 and 90.75

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Solution

The third proportional to 50.13 and 90.75 is: 164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.13 : 90.75 = 90.75 : x
  2. Step 2: Convert to fraction form
    50.13/90.75 = 90.75/x
  3. Step 3: Cross multiply
    50.13x = 90.75 × 90.75
  4. Step 4: Simplify right side
    50.13x = 8,235.56
  5. Step 5: Solve for x
    x = 8,235.56/50.13
  6. Step 6: Final answer
    x = 164.30

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.