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Finding the Third Proportional to 205.38 and 482.69

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Solution

The third proportional to 205.38 and 482.69 is: 1,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.38 : 482.69 = 482.69 : x
  2. Step 2: Convert to fraction form
    205.38/482.69 = 482.69/x
  3. Step 3: Cross multiply
    205.38x = 482.69 × 482.69
  4. Step 4: Simplify right side
    205.38x = 232,987.22
  5. Step 5: Solve for x
    x = 232,987.22/205.38
  6. Step 6: Final answer
    x = 1,134.45

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.