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Finding the Third Proportional to 25.38 and 53.38

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Solution

The third proportional to 25.38 and 53.38 is: 112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.38 : 53.38 = 53.38 : x
  2. Step 2: Convert to fraction form
    25.38/53.38 = 53.38/x
  3. Step 3: Cross multiply
    25.38x = 53.38 × 53.38
  4. Step 4: Simplify right side
    25.38x = 2,848.89
  5. Step 5: Solve for x
    x = 2,848.89/25.38
  6. Step 6: Final answer
    x = 112.27

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.