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Finding the Third Proportional to 1,519 and 2,322.75

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Solution

The third proportional to 1,519 and 2,322.75 is: 3,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519 : 2,322.75 = 2,322.75 : x
  2. Step 2: Convert to fraction form
    1,519/2,322.75 = 2,322.75/x
  3. Step 3: Cross multiply
    1,519x = 2,322.75 × 2,322.75
  4. Step 4: Simplify right side
    1,519x = 5,395,167.56
  5. Step 5: Solve for x
    x = 5,395,167.56/1,519
  6. Step 6: Final answer
    x = 3,551.79

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.