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Finding the Third Proportional to 16,891 and 26,882

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Solution

The third proportional to 16,891 and 26,882 is: 42,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891 : 26,882 = 26,882 : x
  2. Step 2: Convert to fraction form
    16,891/26,882 = 26,882/x
  3. Step 3: Cross multiply
    16,891x = 26,882 × 26,882
  4. Step 4: Simplify right side
    16,891x = 722,641,924
  5. Step 5: Solve for x
    x = 722,641,924/16,891
  6. Step 6: Final answer
    x = 42,782.66

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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.