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Finding the Third Proportional to 13,866 and 15,834

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Solution

The third proportional to 13,866 and 15,834 is: 18,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866 : 15,834 = 15,834 : x
  2. Step 2: Convert to fraction form
    13,866/15,834 = 15,834/x
  3. Step 3: Cross multiply
    13,866x = 15,834 × 15,834
  4. Step 4: Simplify right side
    13,866x = 250,715,556
  5. Step 5: Solve for x
    x = 250,715,556/13,866
  6. Step 6: Final answer
    x = 18,081.32

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.