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Finding the Third Proportional to 3,500 and 5,002

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Solution

The third proportional to 3,500 and 5,002 is: 7,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500 : 5,002 = 5,002 : x
  2. Step 2: Convert to fraction form
    3,500/5,002 = 5,002/x
  3. Step 3: Cross multiply
    3,500x = 5,002 × 5,002
  4. Step 4: Simplify right side
    3,500x = 25,020,004
  5. Step 5: Solve for x
    x = 25,020,004/3,500
  6. Step 6: Final answer
    x = 7,148.57

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.