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Finding the Third Proportional to 8,818.50 and 11,963

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Solution

The third proportional to 8,818.50 and 11,963 is: 16,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.50 : 11,963 = 11,963 : x
  2. Step 2: Convert to fraction form
    8,818.50/11,963 = 11,963/x
  3. Step 3: Cross multiply
    8,818.50x = 11,963 × 11,963
  4. Step 4: Simplify right side
    8,818.50x = 143,113,369
  5. Step 5: Solve for x
    x = 143,113,369/8,818.50
  6. Step 6: Final answer
    x = 16,228.77

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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.