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Finding the Third Proportional to 237.75 and 345

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Solution

The third proportional to 237.75 and 345 is: 500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.75 : 345 = 345 : x
  2. Step 2: Convert to fraction form
    237.75/345 = 345/x
  3. Step 3: Cross multiply
    237.75x = 345 × 345
  4. Step 4: Simplify right side
    237.75x = 119,025
  5. Step 5: Solve for x
    x = 119,025/237.75
  6. Step 6: Final answer
    x = 500.63

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.