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Finding the Third Proportional to 493 and 792

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Solution

The third proportional to 493 and 792 is: 1,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    493 : 792 = 792 : x
  2. Step 2: Convert to fraction form
    493/792 = 792/x
  3. Step 3: Cross multiply
    493x = 792 × 792
  4. Step 4: Simplify right side
    493x = 627,264
  5. Step 5: Solve for x
    x = 627,264/493
  6. Step 6: Final answer
    x = 1,272.34

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.