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Finding the Third Proportional to 5.10 and 12.06

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Solution

The third proportional to 5.10 and 12.06 is: 28.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.10 : 12.06 = 12.06 : x
  2. Step 2: Convert to fraction form
    5.10/12.06 = 12.06/x
  3. Step 3: Cross multiply
    5.10x = 12.06 × 12.06
  4. Step 4: Simplify right side
    5.10x = 145.45
  5. Step 5: Solve for x
    x = 145.45/5.10
  6. Step 6: Final answer
    x = 28.51

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.