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Finding the Third Proportional to 3,653 and 8,040

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Solution

The third proportional to 3,653 and 8,040 is: 17,695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653 : 8,040 = 8,040 : x
  2. Step 2: Convert to fraction form
    3,653/8,040 = 8,040/x
  3. Step 3: Cross multiply
    3,653x = 8,040 × 8,040
  4. Step 4: Simplify right side
    3,653x = 64,641,600
  5. Step 5: Solve for x
    x = 64,641,600/3,653
  6. Step 6: Final answer
    x = 17,695.48

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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.