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Finding the Third Proportional to 21.52 and 49.36

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Solution

The third proportional to 21.52 and 49.36 is: 113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21.52 : 49.36 = 49.36 : x
  2. Step 2: Convert to fraction form
    21.52/49.36 = 49.36/x
  3. Step 3: Cross multiply
    21.52x = 49.36 × 49.36
  4. Step 4: Simplify right side
    21.52x = 2,436.35
  5. Step 5: Solve for x
    x = 2,436.35/21.52
  6. Step 6: Final answer
    x = 113.24

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.