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Finding the Third Proportional to 228.25 and 346.88

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Solution

The third proportional to 228.25 and 346.88 is: 527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228.25 : 346.88 = 346.88 : x
  2. Step 2: Convert to fraction form
    228.25/346.88 = 346.88/x
  3. Step 3: Cross multiply
    228.25x = 346.88 × 346.88
  4. Step 4: Simplify right side
    228.25x = 120,322.27
  5. Step 5: Solve for x
    x = 120,322.27/228.25
  6. Step 6: Final answer
    x = 527.15

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.