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Finding the Third Proportional to 11.45 and 25.07

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Solution

The third proportional to 11.45 and 25.07 is: 54.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.45 : 25.07 = 25.07 : x
  2. Step 2: Convert to fraction form
    11.45/25.07 = 25.07/x
  3. Step 3: Cross multiply
    11.45x = 25.07 × 25.07
  4. Step 4: Simplify right side
    11.45x = 628.44
  5. Step 5: Solve for x
    x = 628.44/11.45
  6. Step 6: Final answer
    x = 54.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.