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Finding the Third Proportional to 9,370.50 and 13,689

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Solution

The third proportional to 9,370.50 and 13,689 is: 19,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.50 : 13,689 = 13,689 : x
  2. Step 2: Convert to fraction form
    9,370.50/13,689 = 13,689/x
  3. Step 3: Cross multiply
    9,370.50x = 13,689 × 13,689
  4. Step 4: Simplify right side
    9,370.50x = 187,388,721
  5. Step 5: Solve for x
    x = 187,388,721/9,370.50
  6. Step 6: Final answer
    x = 19,997.73

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.