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Finding the Third Proportional to 3,338 and 7,727.25

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Solution

The third proportional to 3,338 and 7,727.25 is: 17,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338 : 7,727.25 = 7,727.25 : x
  2. Step 2: Convert to fraction form
    3,338/7,727.25 = 7,727.25/x
  3. Step 3: Cross multiply
    3,338x = 7,727.25 × 7,727.25
  4. Step 4: Simplify right side
    3,338x = 59,710,392.56
  5. Step 5: Solve for x
    x = 59,710,392.56/3,338
  6. Step 6: Final answer
    x = 17,888.07

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.