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Finding the Third Proportional to 11,211 and 14,925

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Solution

The third proportional to 11,211 and 14,925 is: 19,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211 : 14,925 = 14,925 : x
  2. Step 2: Convert to fraction form
    11,211/14,925 = 14,925/x
  3. Step 3: Cross multiply
    11,211x = 14,925 × 14,925
  4. Step 4: Simplify right side
    11,211x = 222,755,625
  5. Step 5: Solve for x
    x = 222,755,625/11,211
  6. Step 6: Final answer
    x = 19,869.38

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.