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Finding the Third Proportional to 629.75 and 944.75

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Solution

The third proportional to 629.75 and 944.75 is: 1,417.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.75 : 944.75 = 944.75 : x
  2. Step 2: Convert to fraction form
    629.75/944.75 = 944.75/x
  3. Step 3: Cross multiply
    629.75x = 944.75 × 944.75
  4. Step 4: Simplify right side
    629.75x = 892,552.56
  5. Step 5: Solve for x
    x = 892,552.56/629.75
  6. Step 6: Final answer
    x = 1,417.31

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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.