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Finding the Third Proportional to 126.63 and 271.25

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Solution

The third proportional to 126.63 and 271.25 is: 581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126.63 : 271.25 = 271.25 : x
  2. Step 2: Convert to fraction form
    126.63/271.25 = 271.25/x
  3. Step 3: Cross multiply
    126.63x = 271.25 × 271.25
  4. Step 4: Simplify right side
    126.63x = 73,576.56
  5. Step 5: Solve for x
    x = 73,576.56/126.63
  6. Step 6: Final answer
    x = 581.06

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.