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Finding the Third Proportional to 16,891 and 35,391

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Solution

The third proportional to 16,891 and 35,391 is: 74,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891 : 35,391 = 35,391 : x
  2. Step 2: Convert to fraction form
    16,891/35,391 = 35,391/x
  3. Step 3: Cross multiply
    16,891x = 35,391 × 35,391
  4. Step 4: Simplify right side
    16,891x = 1,252,522,881
  5. Step 5: Solve for x
    x = 1,252,522,881/16,891
  6. Step 6: Final answer
    x = 74,153.27

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.