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Finding the Third Proportional to 230.69 and 346.88

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Solution

The third proportional to 230.69 and 346.88 is: 521.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.69 : 346.88 = 346.88 : x
  2. Step 2: Convert to fraction form
    230.69/346.88 = 346.88/x
  3. Step 3: Cross multiply
    230.69x = 346.88 × 346.88
  4. Step 4: Simplify right side
    230.69x = 120,322.27
  5. Step 5: Solve for x
    x = 120,322.27/230.69
  6. Step 6: Final answer
    x = 521.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.