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Finding the Third Proportional to 3,305.25 and 5,040

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Solution

The third proportional to 3,305.25 and 5,040 is: 7,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.25 : 5,040 = 5,040 : x
  2. Step 2: Convert to fraction form
    3,305.25/5,040 = 5,040/x
  3. Step 3: Cross multiply
    3,305.25x = 5,040 × 5,040
  4. Step 4: Simplify right side
    3,305.25x = 25,401,600
  5. Step 5: Solve for x
    x = 25,401,600/3,305.25
  6. Step 6: Final answer
    x = 7,685.23

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.