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Finding the Third Proportional to 115.88 and 183.69

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Solution

The third proportional to 115.88 and 183.69 is: 291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115.88 : 183.69 = 183.69 : x
  2. Step 2: Convert to fraction form
    115.88/183.69 = 183.69/x
  3. Step 3: Cross multiply
    115.88x = 183.69 × 183.69
  4. Step 4: Simplify right side
    115.88x = 33,741.10
  5. Step 5: Solve for x
    x = 33,741.10/115.88
  6. Step 6: Final answer
    x = 291.19

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.