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Finding the Third Proportional to 3.53 and 4.93

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Solution

The third proportional to 3.53 and 4.93 is: 6.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.53 : 4.93 = 4.93 : x
  2. Step 2: Convert to fraction form
    3.53/4.93 = 4.93/x
  3. Step 3: Cross multiply
    3.53x = 4.93 × 4.93
  4. Step 4: Simplify right side
    3.53x = 24.27
  5. Step 5: Solve for x
    x = 24.27/3.53
  6. Step 6: Final answer
    x = 6.88

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.