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Finding the Third Proportional to 8,960 and 11,704

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Solution

The third proportional to 8,960 and 11,704 is: 15,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960 : 11,704 = 11,704 : x
  2. Step 2: Convert to fraction form
    8,960/11,704 = 11,704/x
  3. Step 3: Cross multiply
    8,960x = 11,704 × 11,704
  4. Step 4: Simplify right side
    8,960x = 136,983,616
  5. Step 5: Solve for x
    x = 136,983,616/8,960
  6. Step 6: Final answer
    x = 15,288.35

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.