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Finding the Third Proportional to 11,955.50 and 18,652

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Solution

The third proportional to 11,955.50 and 18,652 is: 29,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.50 : 18,652 = 18,652 : x
  2. Step 2: Convert to fraction form
    11,955.50/18,652 = 18,652/x
  3. Step 3: Cross multiply
    11,955.50x = 18,652 × 18,652
  4. Step 4: Simplify right side
    11,955.50x = 347,897,104
  5. Step 5: Solve for x
    x = 347,897,104/11,955.50
  6. Step 6: Final answer
    x = 29,099.34

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.