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Finding the Third Proportional to 11,188 and 15,652

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Solution

The third proportional to 11,188 and 15,652 is: 21,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188 : 15,652 = 15,652 : x
  2. Step 2: Convert to fraction form
    11,188/15,652 = 15,652/x
  3. Step 3: Cross multiply
    11,188x = 15,652 × 15,652
  4. Step 4: Simplify right side
    11,188x = 244,985,104
  5. Step 5: Solve for x
    x = 244,985,104/11,188
  6. Step 6: Final answer
    x = 21,897.13

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.