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Finding the Third Proportional to 9,933 and 13,663.50

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Solution

The third proportional to 9,933 and 13,663.50 is: 18,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933 : 13,663.50 = 13,663.50 : x
  2. Step 2: Convert to fraction form
    9,933/13,663.50 = 13,663.50/x
  3. Step 3: Cross multiply
    9,933x = 13,663.50 × 13,663.50
  4. Step 4: Simplify right side
    9,933x = 186,691,232.25
  5. Step 5: Solve for x
    x = 186,691,232.25/9,933
  6. Step 6: Final answer
    x = 18,795.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.