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Finding the Third Proportional to 2,571 and 3,640.13

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Solution

The third proportional to 2,571 and 3,640.13 is: 5,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571 : 3,640.13 = 3,640.13 : x
  2. Step 2: Convert to fraction form
    2,571/3,640.13 = 3,640.13/x
  3. Step 3: Cross multiply
    2,571x = 3,640.13 × 3,640.13
  4. Step 4: Simplify right side
    2,571x = 13,250,510.02
  5. Step 5: Solve for x
    x = 13,250,510.02/2,571
  6. Step 6: Final answer
    x = 5,153.84

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.