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Finding the Third Proportional to 34.50 and 73.44

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Solution

The third proportional to 34.50 and 73.44 is: 156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.50 : 73.44 = 73.44 : x
  2. Step 2: Convert to fraction form
    34.50/73.44 = 73.44/x
  3. Step 3: Cross multiply
    34.50x = 73.44 × 73.44
  4. Step 4: Simplify right side
    34.50x = 5,393.07
  5. Step 5: Solve for x
    x = 5,393.07/34.50
  6. Step 6: Final answer
    x = 156.32

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.