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Finding the Third Proportional to 16,991.25 and 36,045.75

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Solution

The third proportional to 16,991.25 and 36,045.75 is: 76,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.25 : 36,045.75 = 36,045.75 : x
  2. Step 2: Convert to fraction form
    16,991.25/36,045.75 = 36,045.75/x
  3. Step 3: Cross multiply
    16,991.25x = 36,045.75 × 36,045.75
  4. Step 4: Simplify right side
    16,991.25x = 1,299,296,093.06
  5. Step 5: Solve for x
    x = 1,299,296,093.06/16,991.25
  6. Step 6: Final answer
    x = 76,468.54

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.