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Finding the Third Proportional to 2.14 and 5.87

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Solution

The third proportional to 2.14 and 5.87 is: 16.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.14 : 5.87 = 5.87 : x
  2. Step 2: Convert to fraction form
    2.14/5.87 = 5.87/x
  3. Step 3: Cross multiply
    2.14x = 5.87 × 5.87
  4. Step 4: Simplify right side
    2.14x = 34.50
  5. Step 5: Solve for x
    x = 34.50/2.14
  6. Step 6: Final answer
    x = 16.15

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Why These Related Problems?

These problems maintain the same ratio (2.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.