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Finding the Third Proportional to 375.75 and 878.25

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Solution

The third proportional to 375.75 and 878.25 is: 2,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.75 : 878.25 = 878.25 : x
  2. Step 2: Convert to fraction form
    375.75/878.25 = 878.25/x
  3. Step 3: Cross multiply
    375.75x = 878.25 × 878.25
  4. Step 4: Simplify right side
    375.75x = 771,323.06
  5. Step 5: Solve for x
    x = 771,323.06/375.75
  6. Step 6: Final answer
    x = 2,052.76

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.