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Finding the Third Proportional to 8,772 and 11,908.50

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Solution

The third proportional to 8,772 and 11,908.50 is: 16,166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772 : 11,908.50 = 11,908.50 : x
  2. Step 2: Convert to fraction form
    8,772/11,908.50 = 11,908.50/x
  3. Step 3: Cross multiply
    8,772x = 11,908.50 × 11,908.50
  4. Step 4: Simplify right side
    8,772x = 141,812,372.25
  5. Step 5: Solve for x
    x = 141,812,372.25/8,772
  6. Step 6: Final answer
    x = 16,166.48

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.