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Finding the Third Proportional to 7,910 and 11,498

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Solution

The third proportional to 7,910 and 11,498 is: 16,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910 : 11,498 = 11,498 : x
  2. Step 2: Convert to fraction form
    7,910/11,498 = 11,498/x
  3. Step 3: Cross multiply
    7,910x = 11,498 × 11,498
  4. Step 4: Simplify right side
    7,910x = 132,204,004
  5. Step 5: Solve for x
    x = 132,204,004/7,910
  6. Step 6: Final answer
    x = 16,713.53

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.