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Finding the Third Proportional to 8,361 and 18,361.50

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Solution

The third proportional to 8,361 and 18,361.50 is: 40,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361 : 18,361.50 = 18,361.50 : x
  2. Step 2: Convert to fraction form
    8,361/18,361.50 = 18,361.50/x
  3. Step 3: Cross multiply
    8,361x = 18,361.50 × 18,361.50
  4. Step 4: Simplify right side
    8,361x = 337,144,682.25
  5. Step 5: Solve for x
    x = 337,144,682.25/8,361
  6. Step 6: Final answer
    x = 40,323.49

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.