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Finding the Third Proportional to 852.19 and 1,758.75

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Solution

The third proportional to 852.19 and 1,758.75 is: 3,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852.19 : 1,758.75 = 1,758.75 : x
  2. Step 2: Convert to fraction form
    852.19/1,758.75 = 1,758.75/x
  3. Step 3: Cross multiply
    852.19x = 1,758.75 × 1,758.75
  4. Step 4: Simplify right side
    852.19x = 3,093,201.56
  5. Step 5: Solve for x
    x = 3,093,201.56/852.19
  6. Step 6: Final answer
    x = 3,629.72

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.