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Finding the Third Proportional to 5,150 and 5,519

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Solution

The third proportional to 5,150 and 5,519 is: 5,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150 : 5,519 = 5,519 : x
  2. Step 2: Convert to fraction form
    5,150/5,519 = 5,519/x
  3. Step 3: Cross multiply
    5,150x = 5,519 × 5,519
  4. Step 4: Simplify right side
    5,150x = 30,459,361
  5. Step 5: Solve for x
    x = 30,459,361/5,150
  6. Step 6: Final answer
    x = 5,914.44

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.