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Finding the Third Proportional to 6.17 and 12.58

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Solution

The third proportional to 6.17 and 12.58 is: 25.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.17 : 12.58 = 12.58 : x
  2. Step 2: Convert to fraction form
    6.17/12.58 = 12.58/x
  3. Step 3: Cross multiply
    6.17x = 12.58 × 12.58
  4. Step 4: Simplify right side
    6.17x = 158.18
  5. Step 5: Solve for x
    x = 158.18/6.17
  6. Step 6: Final answer
    x = 25.64

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.