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Finding the Third Proportional to 11,838 and 18,569

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Solution

The third proportional to 11,838 and 18,569 is: 29,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838 : 18,569 = 18,569 : x
  2. Step 2: Convert to fraction form
    11,838/18,569 = 18,569/x
  3. Step 3: Cross multiply
    11,838x = 18,569 × 18,569
  4. Step 4: Simplify right side
    11,838x = 344,807,761
  5. Step 5: Solve for x
    x = 344,807,761/11,838
  6. Step 6: Final answer
    x = 29,127.20

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.