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Finding the Third Proportional to 8,756 and 11,370

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Solution

The third proportional to 8,756 and 11,370 is: 14,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756 : 11,370 = 11,370 : x
  2. Step 2: Convert to fraction form
    8,756/11,370 = 11,370/x
  3. Step 3: Cross multiply
    8,756x = 11,370 × 11,370
  4. Step 4: Simplify right side
    8,756x = 129,276,900
  5. Step 5: Solve for x
    x = 129,276,900/8,756
  6. Step 6: Final answer
    x = 14,764.38

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.