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Finding the Third Proportional to 862.31 and 2,025.84

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Solution

The third proportional to 862.31 and 2,025.84 is: 4,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    862.31 : 2,025.84 = 2,025.84 : x
  2. Step 2: Convert to fraction form
    862.31/2,025.84 = 2,025.84/x
  3. Step 3: Cross multiply
    862.31x = 2,025.84 × 2,025.84
  4. Step 4: Simplify right side
    862.31x = 4,104,042.90
  5. Step 5: Solve for x
    x = 4,104,042.90/862.31
  6. Step 6: Final answer
    x = 4,759.35

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.