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Finding the Third Proportional to 11,176 and 15,498

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Solution

The third proportional to 11,176 and 15,498 is: 21,491.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176 : 15,498 = 15,498 : x
  2. Step 2: Convert to fraction form
    11,176/15,498 = 15,498/x
  3. Step 3: Cross multiply
    11,176x = 15,498 × 15,498
  4. Step 4: Simplify right side
    11,176x = 240,188,004
  5. Step 5: Solve for x
    x = 240,188,004/11,176
  6. Step 6: Final answer
    x = 21,491.41

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.