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Finding the Third Proportional to 14.18 and 28.36

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Solution

The third proportional to 14.18 and 28.36 is: 56.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.18 : 28.36 = 28.36 : x
  2. Step 2: Convert to fraction form
    14.18/28.36 = 28.36/x
  3. Step 3: Cross multiply
    14.18x = 28.36 × 28.36
  4. Step 4: Simplify right side
    14.18x = 804.03
  5. Step 5: Solve for x
    x = 804.03/14.18
  6. Step 6: Final answer
    x = 56.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.