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Finding the Third Proportional to 4.80 and 10.01

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Solution

The third proportional to 4.80 and 10.01 is: 20.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.80 : 10.01 = 10.01 : x
  2. Step 2: Convert to fraction form
    4.80/10.01 = 10.01/x
  3. Step 3: Cross multiply
    4.80x = 10.01 × 10.01
  4. Step 4: Simplify right side
    4.80x = 100.16
  5. Step 5: Solve for x
    x = 100.16/4.80
  6. Step 6: Final answer
    x = 20.85

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.