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Finding the Third Proportional to 3,805 and 5,575

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Solution

The third proportional to 3,805 and 5,575 is: 8,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805 : 5,575 = 5,575 : x
  2. Step 2: Convert to fraction form
    3,805/5,575 = 5,575/x
  3. Step 3: Cross multiply
    3,805x = 5,575 × 5,575
  4. Step 4: Simplify right side
    3,805x = 31,080,625
  5. Step 5: Solve for x
    x = 31,080,625/3,805
  6. Step 6: Final answer
    x = 8,168.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.