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Finding the Third Proportional to 11,069 and 14,119

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Solution

The third proportional to 11,069 and 14,119 is: 18,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069 : 14,119 = 14,119 : x
  2. Step 2: Convert to fraction form
    11,069/14,119 = 14,119/x
  3. Step 3: Cross multiply
    11,069x = 14,119 × 14,119
  4. Step 4: Simplify right side
    11,069x = 199,346,161
  5. Step 5: Solve for x
    x = 199,346,161/11,069
  6. Step 6: Final answer
    x = 18,009.41

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.