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Finding the Third Proportional to 28.83 and 63.35

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Solution

The third proportional to 28.83 and 63.35 is: 139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.83 : 63.35 = 63.35 : x
  2. Step 2: Convert to fraction form
    28.83/63.35 = 63.35/x
  3. Step 3: Cross multiply
    28.83x = 63.35 × 63.35
  4. Step 4: Simplify right side
    28.83x = 4,013.42
  5. Step 5: Solve for x
    x = 4,013.42/28.83
  6. Step 6: Final answer
    x = 139.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.