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Finding the Third Proportional to 35.02 and 54.42

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Solution

The third proportional to 35.02 and 54.42 is: 84.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.02 : 54.42 = 54.42 : x
  2. Step 2: Convert to fraction form
    35.02/54.42 = 54.42/x
  3. Step 3: Cross multiply
    35.02x = 54.42 × 54.42
  4. Step 4: Simplify right side
    35.02x = 2,961.74
  5. Step 5: Solve for x
    x = 2,961.74/35.02
  6. Step 6: Final answer
    x = 84.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.