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Finding the Third Proportional to 734 and 979

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Solution

The third proportional to 734 and 979 is: 1,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    734 : 979 = 979 : x
  2. Step 2: Convert to fraction form
    734/979 = 979/x
  3. Step 3: Cross multiply
    734x = 979 × 979
  4. Step 4: Simplify right side
    734x = 958,441
  5. Step 5: Solve for x
    x = 958,441/734
  6. Step 6: Final answer
    x = 1,305.78

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.