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Finding the Third Proportional to 233.25 and 345.75

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Solution

The third proportional to 233.25 and 345.75 is: 512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.25 : 345.75 = 345.75 : x
  2. Step 2: Convert to fraction form
    233.25/345.75 = 345.75/x
  3. Step 3: Cross multiply
    233.25x = 345.75 × 345.75
  4. Step 4: Simplify right side
    233.25x = 119,543.06
  5. Step 5: Solve for x
    x = 119,543.06/233.25
  6. Step 6: Final answer
    x = 512.51

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.