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Finding the Third Proportional to 471.38 and 717.94

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Solution

The third proportional to 471.38 and 717.94 is: 1,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.38 : 717.94 = 717.94 : x
  2. Step 2: Convert to fraction form
    471.38/717.94 = 717.94/x
  3. Step 3: Cross multiply
    471.38x = 717.94 × 717.94
  4. Step 4: Simplify right side
    471.38x = 515,434.25
  5. Step 5: Solve for x
    x = 515,434.25/471.38
  6. Step 6: Final answer
    x = 1,093.47

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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.