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Finding the Third Proportional to 2,311.88 and 5,265.84

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Solution

The third proportional to 2,311.88 and 5,265.84 is: 11,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.88 : 5,265.84 = 5,265.84 : x
  2. Step 2: Convert to fraction form
    2,311.88/5,265.84 = 5,265.84/x
  3. Step 3: Cross multiply
    2,311.88x = 5,265.84 × 5,265.84
  4. Step 4: Simplify right side
    2,311.88x = 27,729,110.40
  5. Step 5: Solve for x
    x = 27,729,110.40/2,311.88
  6. Step 6: Final answer
    x = 11,994.21

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.