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Finding the Third Proportional to 43.88 and 68.06

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Solution

The third proportional to 43.88 and 68.06 is: 105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.88 : 68.06 = 68.06 : x
  2. Step 2: Convert to fraction form
    43.88/68.06 = 68.06/x
  3. Step 3: Cross multiply
    43.88x = 68.06 × 68.06
  4. Step 4: Simplify right side
    43.88x = 4,632.50
  5. Step 5: Solve for x
    x = 4,632.50/43.88
  6. Step 6: Final answer
    x = 105.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.