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Finding the Third Proportional to 584.44 and 1,285.31

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Solution

The third proportional to 584.44 and 1,285.31 is: 2,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.44 : 1,285.31 = 1,285.31 : x
  2. Step 2: Convert to fraction form
    584.44/1,285.31 = 1,285.31/x
  3. Step 3: Cross multiply
    584.44x = 1,285.31 × 1,285.31
  4. Step 4: Simplify right side
    584.44x = 1,652,028.22
  5. Step 5: Solve for x
    x = 1,652,028.22/584.44
  6. Step 6: Final answer
    x = 2,826.70

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.