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Finding the Third Proportional to 314 and 475.75

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Solution

The third proportional to 314 and 475.75 is: 720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    314 : 475.75 = 475.75 : x
  2. Step 2: Convert to fraction form
    314/475.75 = 475.75/x
  3. Step 3: Cross multiply
    314x = 475.75 × 475.75
  4. Step 4: Simplify right side
    314x = 226,338.06
  5. Step 5: Solve for x
    x = 226,338.06/314
  6. Step 6: Final answer
    x = 720.82

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.