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Finding the Third Proportional to 4.99 and 13.07

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Solution

The third proportional to 4.99 and 13.07 is: 34.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.99 : 13.07 = 13.07 : x
  2. Step 2: Convert to fraction form
    4.99/13.07 = 13.07/x
  3. Step 3: Cross multiply
    4.99x = 13.07 × 13.07
  4. Step 4: Simplify right side
    4.99x = 170.73
  5. Step 5: Solve for x
    x = 170.73/4.99
  6. Step 6: Final answer
    x = 34.20

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Why These Related Problems?

These problems maintain the same ratio (2.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.