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Finding the Third Proportional to 1,259.73 and 2,770.77

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Solution

The third proportional to 1,259.73 and 2,770.77 is: 6,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.73 : 2,770.77 = 2,770.77 : x
  2. Step 2: Convert to fraction form
    1,259.73/2,770.77 = 2,770.77/x
  3. Step 3: Cross multiply
    1,259.73x = 2,770.77 × 2,770.77
  4. Step 4: Simplify right side
    1,259.73x = 7,677,163.80
  5. Step 5: Solve for x
    x = 7,677,163.80/1,259.73
  6. Step 6: Final answer
    x = 6,094.28

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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.