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Finding the Third Proportional to 3,208.50 and 6,901

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Solution

The third proportional to 3,208.50 and 6,901 is: 14,843.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.50 : 6,901 = 6,901 : x
  2. Step 2: Convert to fraction form
    3,208.50/6,901 = 6,901/x
  3. Step 3: Cross multiply
    3,208.50x = 6,901 × 6,901
  4. Step 4: Simplify right side
    3,208.50x = 47,623,801
  5. Step 5: Solve for x
    x = 47,623,801/3,208.50
  6. Step 6: Final answer
    x = 14,843.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.