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Finding the Third Proportional to 772.38 and 1,176.75

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Solution

The third proportional to 772.38 and 1,176.75 is: 1,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    772.38 : 1,176.75 = 1,176.75 : x
  2. Step 2: Convert to fraction form
    772.38/1,176.75 = 1,176.75/x
  3. Step 3: Cross multiply
    772.38x = 1,176.75 × 1,176.75
  4. Step 4: Simplify right side
    772.38x = 1,384,740.56
  5. Step 5: Solve for x
    x = 1,384,740.56/772.38
  6. Step 6: Final answer
    x = 1,792.83

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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.