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Finding the Third Proportional to 719 and 793.25

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Solution

The third proportional to 719 and 793.25 is: 875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    719 : 793.25 = 793.25 : x
  2. Step 2: Convert to fraction form
    719/793.25 = 793.25/x
  3. Step 3: Cross multiply
    719x = 793.25 × 793.25
  4. Step 4: Simplify right side
    719x = 629,245.56
  5. Step 5: Solve for x
    x = 629,245.56/719
  6. Step 6: Final answer
    x = 875.17

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.