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Finding the Third Proportional to 3.56 and 5.63

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Solution

The third proportional to 3.56 and 5.63 is: 8.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.56 : 5.63 = 5.63 : x
  2. Step 2: Convert to fraction form
    3.56/5.63 = 5.63/x
  3. Step 3: Cross multiply
    3.56x = 5.63 × 5.63
  4. Step 4: Simplify right side
    3.56x = 31.64
  5. Step 5: Solve for x
    x = 31.64/3.56
  6. Step 6: Final answer
    x = 8.88

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.