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Finding the Third Proportional to 272.95 and 571.22

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Solution

The third proportional to 272.95 and 571.22 is: 1,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.95 : 571.22 = 571.22 : x
  2. Step 2: Convert to fraction form
    272.95/571.22 = 571.22/x
  3. Step 3: Cross multiply
    272.95x = 571.22 × 571.22
  4. Step 4: Simplify right side
    272.95x = 326,290.86
  5. Step 5: Solve for x
    x = 326,290.86/272.95
  6. Step 6: Final answer
    x = 1,195.41

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.