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Finding the Third Proportional to 19,498 and 41,891

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Solution

The third proportional to 19,498 and 41,891 is: 90,001.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498 : 41,891 = 41,891 : x
  2. Step 2: Convert to fraction form
    19,498/41,891 = 41,891/x
  3. Step 3: Cross multiply
    19,498x = 41,891 × 41,891
  4. Step 4: Simplify right side
    19,498x = 1,754,855,881
  5. Step 5: Solve for x
    x = 1,754,855,881/19,498
  6. Step 6: Final answer
    x = 90,001.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.