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Finding the Third Proportional to 2,193 and 3,485

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Solution

The third proportional to 2,193 and 3,485 is: 5,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193 : 3,485 = 3,485 : x
  2. Step 2: Convert to fraction form
    2,193/3,485 = 3,485/x
  3. Step 3: Cross multiply
    2,193x = 3,485 × 3,485
  4. Step 4: Simplify right side
    2,193x = 12,145,225
  5. Step 5: Solve for x
    x = 12,145,225/2,193
  6. Step 6: Final answer
    x = 5,538.18

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.