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Finding the Third Proportional to 1,227.34 and 2,650.85

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Solution

The third proportional to 1,227.34 and 2,650.85 is: 5,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227.34 : 2,650.85 = 2,650.85 : x
  2. Step 2: Convert to fraction form
    1,227.34/2,650.85 = 2,650.85/x
  3. Step 3: Cross multiply
    1,227.34x = 2,650.85 × 2,650.85
  4. Step 4: Simplify right side
    1,227.34x = 7,027,014.01
  5. Step 5: Solve for x
    x = 7,027,014.01/1,227.34
  6. Step 6: Final answer
    x = 5,725.40

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.