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Finding the Third Proportional to 5,989.50 and 13,990

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Solution

The third proportional to 5,989.50 and 13,990 is: 32,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.50 : 13,990 = 13,990 : x
  2. Step 2: Convert to fraction form
    5,989.50/13,990 = 13,990/x
  3. Step 3: Cross multiply
    5,989.50x = 13,990 × 13,990
  4. Step 4: Simplify right side
    5,989.50x = 195,720,100
  5. Step 5: Solve for x
    x = 195,720,100/5,989.50
  6. Step 6: Final answer
    x = 32,677.20

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.