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Finding the Third Proportional to 11,887.50 and 17,649

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Solution

The third proportional to 11,887.50 and 17,649 is: 26,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.50 : 17,649 = 17,649 : x
  2. Step 2: Convert to fraction form
    11,887.50/17,649 = 17,649/x
  3. Step 3: Cross multiply
    11,887.50x = 17,649 × 17,649
  4. Step 4: Simplify right side
    11,887.50x = 311,487,201
  5. Step 5: Solve for x
    x = 311,487,201/11,887.50
  6. Step 6: Final answer
    x = 26,202.92

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.