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Finding the Third Proportional to 1,206.56 and 2,644.31

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Solution

The third proportional to 1,206.56 and 2,644.31 is: 5,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206.56 : 2,644.31 = 2,644.31 : x
  2. Step 2: Convert to fraction form
    1,206.56/2,644.31 = 2,644.31/x
  3. Step 3: Cross multiply
    1,206.56x = 2,644.31 × 2,644.31
  4. Step 4: Simplify right side
    1,206.56x = 6,992,388.60
  5. Step 5: Solve for x
    x = 6,992,388.60/1,206.56
  6. Step 6: Final answer
    x = 5,795.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.