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Finding the Third Proportional to 14.55 and 30.99

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Solution

The third proportional to 14.55 and 30.99 is: 66.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.55 : 30.99 = 30.99 : x
  2. Step 2: Convert to fraction form
    14.55/30.99 = 30.99/x
  3. Step 3: Cross multiply
    14.55x = 30.99 × 30.99
  4. Step 4: Simplify right side
    14.55x = 960.52
  5. Step 5: Solve for x
    x = 960.52/14.55
  6. Step 6: Final answer
    x = 66.03

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.