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Finding the Third Proportional to 134.75 and 295.19

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Solution

The third proportional to 134.75 and 295.19 is: 646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.75 : 295.19 = 295.19 : x
  2. Step 2: Convert to fraction form
    134.75/295.19 = 295.19/x
  3. Step 3: Cross multiply
    134.75x = 295.19 × 295.19
  4. Step 4: Simplify right side
    134.75x = 87,135.66
  5. Step 5: Solve for x
    x = 87,135.66/134.75
  6. Step 6: Final answer
    x = 646.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.