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Finding the Third Proportional to 3,510 and 7,425

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Solution

The third proportional to 3,510 and 7,425 is: 15,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510 : 7,425 = 7,425 : x
  2. Step 2: Convert to fraction form
    3,510/7,425 = 7,425/x
  3. Step 3: Cross multiply
    3,510x = 7,425 × 7,425
  4. Step 4: Simplify right side
    3,510x = 55,130,625
  5. Step 5: Solve for x
    x = 55,130,625/3,510
  6. Step 6: Final answer
    x = 15,706.73

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.