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Finding the Third Proportional to 756.84 and 1,169.44

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Solution

The third proportional to 756.84 and 1,169.44 is: 1,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.84 : 1,169.44 = 1,169.44 : x
  2. Step 2: Convert to fraction form
    756.84/1,169.44 = 1,169.44/x
  3. Step 3: Cross multiply
    756.84x = 1,169.44 × 1,169.44
  4. Step 4: Simplify right side
    756.84x = 1,367,584.07
  5. Step 5: Solve for x
    x = 1,367,584.07/756.84
  6. Step 6: Final answer
    x = 1,806.96

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.