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Finding the Third Proportional to 4,511 and 5,015

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Solution

The third proportional to 4,511 and 5,015 is: 5,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511 : 5,015 = 5,015 : x
  2. Step 2: Convert to fraction form
    4,511/5,015 = 5,015/x
  3. Step 3: Cross multiply
    4,511x = 5,015 × 5,015
  4. Step 4: Simplify right side
    4,511x = 25,150,225
  5. Step 5: Solve for x
    x = 25,150,225/4,511
  6. Step 6: Final answer
    x = 5,575.31

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.