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Finding the Third Proportional to 5,011 and 7,517

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Solution

The third proportional to 5,011 and 7,517 is: 11,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011 : 7,517 = 7,517 : x
  2. Step 2: Convert to fraction form
    5,011/7,517 = 7,517/x
  3. Step 3: Cross multiply
    5,011x = 7,517 × 7,517
  4. Step 4: Simplify right side
    5,011x = 56,505,289
  5. Step 5: Solve for x
    x = 56,505,289/5,011
  6. Step 6: Final answer
    x = 11,276.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.