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Finding the Third Proportional to 4.99 and 10.75

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Solution

The third proportional to 4.99 and 10.75 is: 23.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.99 : 10.75 = 10.75 : x
  2. Step 2: Convert to fraction form
    4.99/10.75 = 10.75/x
  3. Step 3: Cross multiply
    4.99x = 10.75 × 10.75
  4. Step 4: Simplify right side
    4.99x = 115.57
  5. Step 5: Solve for x
    x = 115.57/4.99
  6. Step 6: Final answer
    x = 23.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.