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Finding the Third Proportional to 230.50 and 359.75

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Solution

The third proportional to 230.50 and 359.75 is: 561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.50 : 359.75 = 359.75 : x
  2. Step 2: Convert to fraction form
    230.50/359.75 = 359.75/x
  3. Step 3: Cross multiply
    230.50x = 359.75 × 359.75
  4. Step 4: Simplify right side
    230.50x = 129,420.06
  5. Step 5: Solve for x
    x = 129,420.06/230.50
  6. Step 6: Final answer
    x = 561.48

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.