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Finding the Third Proportional to 16,996 and 39,991

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Solution

The third proportional to 16,996 and 39,991 is: 94,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996 : 39,991 = 39,991 : x
  2. Step 2: Convert to fraction form
    16,996/39,991 = 39,991/x
  3. Step 3: Cross multiply
    16,996x = 39,991 × 39,991
  4. Step 4: Simplify right side
    16,996x = 1,599,280,081
  5. Step 5: Solve for x
    x = 1,599,280,081/16,996
  6. Step 6: Final answer
    x = 94,097.44

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.