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Finding the Third Proportional to 845.75 and 2,144.29

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Solution

The third proportional to 845.75 and 2,144.29 is: 5,436.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.75 : 2,144.29 = 2,144.29 : x
  2. Step 2: Convert to fraction form
    845.75/2,144.29 = 2,144.29/x
  3. Step 3: Cross multiply
    845.75x = 2,144.29 × 2,144.29
  4. Step 4: Simplify right side
    845.75x = 4,597,958.83
  5. Step 5: Solve for x
    x = 4,597,958.83/845.75
  6. Step 6: Final answer
    x = 5,436.52

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Why These Related Problems?

These problems maintain the same ratio (2.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.