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Finding the Third Proportional to 112.25 and 226.50

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Solution

The third proportional to 112.25 and 226.50 is: 457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.25 : 226.50 = 226.50 : x
  2. Step 2: Convert to fraction form
    112.25/226.50 = 226.50/x
  3. Step 3: Cross multiply
    112.25x = 226.50 × 226.50
  4. Step 4: Simplify right side
    112.25x = 51,302.25
  5. Step 5: Solve for x
    x = 51,302.25/112.25
  6. Step 6: Final answer
    x = 457.04

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.