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Finding the Third Proportional to 314.50 and 675

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Solution

The third proportional to 314.50 and 675 is: 1,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.50 : 675 = 675 : x
  2. Step 2: Convert to fraction form
    314.50/675 = 675/x
  3. Step 3: Cross multiply
    314.50x = 675 × 675
  4. Step 4: Simplify right side
    314.50x = 455,625
  5. Step 5: Solve for x
    x = 455,625/314.50
  6. Step 6: Final answer
    x = 1,448.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.