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Finding the Third Proportional to 4.47 and 10.49

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Solution

The third proportional to 4.47 and 10.49 is: 24.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.47 : 10.49 = 10.49 : x
  2. Step 2: Convert to fraction form
    4.47/10.49 = 10.49/x
  3. Step 3: Cross multiply
    4.47x = 10.49 × 10.49
  4. Step 4: Simplify right side
    4.47x = 109.96
  5. Step 5: Solve for x
    x = 109.96/4.47
  6. Step 6: Final answer
    x = 24.63

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.