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Finding the Third Proportional to 252.88 and 536.19

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Solution

The third proportional to 252.88 and 536.19 is: 1,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.88 : 536.19 = 536.19 : x
  2. Step 2: Convert to fraction form
    252.88/536.19 = 536.19/x
  3. Step 3: Cross multiply
    252.88x = 536.19 × 536.19
  4. Step 4: Simplify right side
    252.88x = 287,497.04
  5. Step 5: Solve for x
    x = 287,497.04/252.88
  6. Step 6: Final answer
    x = 1,136.91

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.