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Finding the Third Proportional to 16,661.25 and 36,699.75

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Solution

The third proportional to 16,661.25 and 36,699.75 is: 80,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.25 : 36,699.75 = 36,699.75 : x
  2. Step 2: Convert to fraction form
    16,661.25/36,699.75 = 36,699.75/x
  3. Step 3: Cross multiply
    16,661.25x = 36,699.75 × 36,699.75
  4. Step 4: Simplify right side
    16,661.25x = 1,346,871,650.06
  5. Step 5: Solve for x
    x = 1,346,871,650.06/16,661.25
  6. Step 6: Final answer
    x = 80,838.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.