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Finding the Third Proportional to 52.13 and 105.19

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Solution

The third proportional to 52.13 and 105.19 is: 212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.13 : 105.19 = 105.19 : x
  2. Step 2: Convert to fraction form
    52.13/105.19 = 105.19/x
  3. Step 3: Cross multiply
    52.13x = 105.19 × 105.19
  4. Step 4: Simplify right side
    52.13x = 11,064.41
  5. Step 5: Solve for x
    x = 11,064.41/52.13
  6. Step 6: Final answer
    x = 212.27

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.