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Finding the Third Proportional to 54.13 and 70.97

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Solution

The third proportional to 54.13 and 70.97 is: 93.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.13 : 70.97 = 70.97 : x
  2. Step 2: Convert to fraction form
    54.13/70.97 = 70.97/x
  3. Step 3: Cross multiply
    54.13x = 70.97 × 70.97
  4. Step 4: Simplify right side
    54.13x = 5,036.56
  5. Step 5: Solve for x
    x = 5,036.56/54.13
  6. Step 6: Final answer
    x = 93.05

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.