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Finding the Third Proportional to 16,997.25 and 36,453

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Solution

The third proportional to 16,997.25 and 36,453 is: 78,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.25 : 36,453 = 36,453 : x
  2. Step 2: Convert to fraction form
    16,997.25/36,453 = 36,453/x
  3. Step 3: Cross multiply
    16,997.25x = 36,453 × 36,453
  4. Step 4: Simplify right side
    16,997.25x = 1,328,821,209
  5. Step 5: Solve for x
    x = 1,328,821,209/16,997.25
  6. Step 6: Final answer
    x = 78,178.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.