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Finding the Third Proportional to 7,516 and 11,374

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Solution

The third proportional to 7,516 and 11,374 is: 17,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516 : 11,374 = 11,374 : x
  2. Step 2: Convert to fraction form
    7,516/11,374 = 11,374/x
  3. Step 3: Cross multiply
    7,516x = 11,374 × 11,374
  4. Step 4: Simplify right side
    7,516x = 129,367,876
  5. Step 5: Solve for x
    x = 129,367,876/7,516
  6. Step 6: Final answer
    x = 17,212.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.