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Finding the Third Proportional to 227.60 and 349.95

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Solution

The third proportional to 227.60 and 349.95 is: 538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.60 : 349.95 = 349.95 : x
  2. Step 2: Convert to fraction form
    227.60/349.95 = 349.95/x
  3. Step 3: Cross multiply
    227.60x = 349.95 × 349.95
  4. Step 4: Simplify right side
    227.60x = 122,461.72
  5. Step 5: Solve for x
    x = 122,461.72/227.60
  6. Step 6: Final answer
    x = 538.05

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.