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Finding the Third Proportional to 209.04 and 369.14

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Solution

The third proportional to 209.04 and 369.14 is: 651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209.04 : 369.14 = 369.14 : x
  2. Step 2: Convert to fraction form
    209.04/369.14 = 369.14/x
  3. Step 3: Cross multiply
    209.04x = 369.14 × 369.14
  4. Step 4: Simplify right side
    209.04x = 136,264.80
  5. Step 5: Solve for x
    x = 136,264.80/209.04
  6. Step 6: Final answer
    x = 651.86

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.