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Finding the Third Proportional to 850.25 and 1,810.75

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Solution

The third proportional to 850.25 and 1,810.75 is: 3,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.25 : 1,810.75 = 1,810.75 : x
  2. Step 2: Convert to fraction form
    850.25/1,810.75 = 1,810.75/x
  3. Step 3: Cross multiply
    850.25x = 1,810.75 × 1,810.75
  4. Step 4: Simplify right side
    850.25x = 3,278,815.56
  5. Step 5: Solve for x
    x = 3,278,815.56/850.25
  6. Step 6: Final answer
    x = 3,856.30

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.