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Finding the Third Proportional to 11,446 and 18,153

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Solution

The third proportional to 11,446 and 18,153 is: 28,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446 : 18,153 = 18,153 : x
  2. Step 2: Convert to fraction form
    11,446/18,153 = 18,153/x
  3. Step 3: Cross multiply
    11,446x = 18,153 × 18,153
  4. Step 4: Simplify right side
    11,446x = 329,531,409
  5. Step 5: Solve for x
    x = 329,531,409/11,446
  6. Step 6: Final answer
    x = 28,790.09

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.