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Finding the Third Proportional to 134.16 and 194.91

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Solution

The third proportional to 134.16 and 194.91 is: 283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.16 : 194.91 = 194.91 : x
  2. Step 2: Convert to fraction form
    134.16/194.91 = 194.91/x
  3. Step 3: Cross multiply
    134.16x = 194.91 × 194.91
  4. Step 4: Simplify right side
    134.16x = 37,988.45
  5. Step 5: Solve for x
    x = 37,988.45/134.16
  6. Step 6: Final answer
    x = 283.17

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.