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Finding the Third Proportional to 6.63 and 14.38

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Solution

The third proportional to 6.63 and 14.38 is: 31.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.63 : 14.38 = 14.38 : x
  2. Step 2: Convert to fraction form
    6.63/14.38 = 14.38/x
  3. Step 3: Cross multiply
    6.63x = 14.38 × 14.38
  4. Step 4: Simplify right side
    6.63x = 206.64
  5. Step 5: Solve for x
    x = 206.64/6.63
  6. Step 6: Final answer
    x = 31.19

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.