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Finding the Third Proportional to 9,144 and 13,693.50

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Solution

The third proportional to 9,144 and 13,693.50 is: 20,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144 : 13,693.50 = 13,693.50 : x
  2. Step 2: Convert to fraction form
    9,144/13,693.50 = 13,693.50/x
  3. Step 3: Cross multiply
    9,144x = 13,693.50 × 13,693.50
  4. Step 4: Simplify right side
    9,144x = 187,511,942.25
  5. Step 5: Solve for x
    x = 187,511,942.25/9,144
  6. Step 6: Final answer
    x = 20,506.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.