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Finding the Third Proportional to 63.56 and 122.06

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Solution

The third proportional to 63.56 and 122.06 is: 234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.56 : 122.06 = 122.06 : x
  2. Step 2: Convert to fraction form
    63.56/122.06 = 122.06/x
  3. Step 3: Cross multiply
    63.56x = 122.06 × 122.06
  4. Step 4: Simplify right side
    63.56x = 14,899.25
  5. Step 5: Solve for x
    x = 14,899.25/63.56
  6. Step 6: Final answer
    x = 234.40

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.