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Finding the Third Proportional to 3,543 and 7,425

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Solution

The third proportional to 3,543 and 7,425 is: 15,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543 : 7,425 = 7,425 : x
  2. Step 2: Convert to fraction form
    3,543/7,425 = 7,425/x
  3. Step 3: Cross multiply
    3,543x = 7,425 × 7,425
  4. Step 4: Simplify right side
    3,543x = 55,130,625
  5. Step 5: Solve for x
    x = 55,130,625/3,543
  6. Step 6: Final answer
    x = 15,560.44

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.