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Finding the Third Proportional to 63 and 116.81

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Solution

The third proportional to 63 and 116.81 is: 216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63 : 116.81 = 116.81 : x
  2. Step 2: Convert to fraction form
    63/116.81 = 116.81/x
  3. Step 3: Cross multiply
    63x = 116.81 × 116.81
  4. Step 4: Simplify right side
    63x = 13,645.16
  5. Step 5: Solve for x
    x = 13,645.16/63
  6. Step 6: Final answer
    x = 216.59

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.