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Finding the Third Proportional to 267.26 and 563.63

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Solution

The third proportional to 267.26 and 563.63 is: 1,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.26 : 563.63 = 563.63 : x
  2. Step 2: Convert to fraction form
    267.26/563.63 = 563.63/x
  3. Step 3: Cross multiply
    267.26x = 563.63 × 563.63
  4. Step 4: Simplify right side
    267.26x = 317,673.14
  5. Step 5: Solve for x
    x = 317,673.14/267.26
  6. Step 6: Final answer
    x = 1,188.64

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.