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Finding the Third Proportional to 8,553 and 11,884.50

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Solution

The third proportional to 8,553 and 11,884.50 is: 16,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553 : 11,884.50 = 11,884.50 : x
  2. Step 2: Convert to fraction form
    8,553/11,884.50 = 11,884.50/x
  3. Step 3: Cross multiply
    8,553x = 11,884.50 × 11,884.50
  4. Step 4: Simplify right side
    8,553x = 141,241,340.25
  5. Step 5: Solve for x
    x = 141,241,340.25/8,553
  6. Step 6: Final answer
    x = 16,513.66

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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.