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Finding the Third Proportional to 11,043 and 16,899

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Solution

The third proportional to 11,043 and 16,899 is: 25,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043 : 16,899 = 16,899 : x
  2. Step 2: Convert to fraction form
    11,043/16,899 = 16,899/x
  3. Step 3: Cross multiply
    11,043x = 16,899 × 16,899
  4. Step 4: Simplify right side
    11,043x = 285,576,201
  5. Step 5: Solve for x
    x = 285,576,201/11,043
  6. Step 6: Final answer
    x = 25,860.38

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.