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Finding the Third Proportional to 136.50 and 294.13

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Solution

The third proportional to 136.50 and 294.13 is: 633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.50 : 294.13 = 294.13 : x
  2. Step 2: Convert to fraction form
    136.50/294.13 = 294.13/x
  3. Step 3: Cross multiply
    136.50x = 294.13 × 294.13
  4. Step 4: Simplify right side
    136.50x = 86,509.52
  5. Step 5: Solve for x
    x = 86,509.52/136.50
  6. Step 6: Final answer
    x = 633.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.