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Finding the Third Proportional to 767.75 and 1,845

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Solution

The third proportional to 767.75 and 1,845 is: 4,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    767.75 : 1,845 = 1,845 : x
  2. Step 2: Convert to fraction form
    767.75/1,845 = 1,845/x
  3. Step 3: Cross multiply
    767.75x = 1,845 × 1,845
  4. Step 4: Simplify right side
    767.75x = 3,404,025
  5. Step 5: Solve for x
    x = 3,404,025/767.75
  6. Step 6: Final answer
    x = 4,433.77

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.