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Finding the Third Proportional to 1,166.34 and 2,560.22

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Solution

The third proportional to 1,166.34 and 2,560.22 is: 5,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.34 : 2,560.22 = 2,560.22 : x
  2. Step 2: Convert to fraction form
    1,166.34/2,560.22 = 2,560.22/x
  3. Step 3: Cross multiply
    1,166.34x = 2,560.22 × 2,560.22
  4. Step 4: Simplify right side
    1,166.34x = 6,554,720.05
  5. Step 5: Solve for x
    x = 6,554,720.05/1,166.34
  6. Step 6: Final answer
    x = 5,619.89

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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.