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Finding the Third Proportional to 314.25 and 477

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Solution

The third proportional to 314.25 and 477 is: 724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.25 : 477 = 477 : x
  2. Step 2: Convert to fraction form
    314.25/477 = 477/x
  3. Step 3: Cross multiply
    314.25x = 477 × 477
  4. Step 4: Simplify right side
    314.25x = 227,529
  5. Step 5: Solve for x
    x = 227,529/314.25
  6. Step 6: Final answer
    x = 724.04

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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.