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Finding the Third Proportional to 62.75 and 116.13

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Solution

The third proportional to 62.75 and 116.13 is: 214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.75 : 116.13 = 116.13 : x
  2. Step 2: Convert to fraction form
    62.75/116.13 = 116.13/x
  3. Step 3: Cross multiply
    62.75x = 116.13 × 116.13
  4. Step 4: Simplify right side
    62.75x = 13,485.02
  5. Step 5: Solve for x
    x = 13,485.02/62.75
  6. Step 6: Final answer
    x = 214.90

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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.