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Finding the Third Proportional to 73.50 and 135.94

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Solution

The third proportional to 73.50 and 135.94 is: 251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.50 : 135.94 = 135.94 : x
  2. Step 2: Convert to fraction form
    73.50/135.94 = 135.94/x
  3. Step 3: Cross multiply
    73.50x = 135.94 × 135.94
  4. Step 4: Simplify right side
    73.50x = 18,479.00
  5. Step 5: Solve for x
    x = 18,479.00/73.50
  6. Step 6: Final answer
    x = 251.42

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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.