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Finding the Third Proportional to 274 and 352.50

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Solution

The third proportional to 274 and 352.50 is: 453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    274 : 352.50 = 352.50 : x
  2. Step 2: Convert to fraction form
    274/352.50 = 352.50/x
  3. Step 3: Cross multiply
    274x = 352.50 × 352.50
  4. Step 4: Simplify right side
    274x = 124,256.25
  5. Step 5: Solve for x
    x = 124,256.25/274
  6. Step 6: Final answer
    x = 453.49

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.