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Finding the Third Proportional to 9,717 and 15,225

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Solution

The third proportional to 9,717 and 15,225 is: 23,855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717 : 15,225 = 15,225 : x
  2. Step 2: Convert to fraction form
    9,717/15,225 = 15,225/x
  3. Step 3: Cross multiply
    9,717x = 15,225 × 15,225
  4. Step 4: Simplify right side
    9,717x = 231,800,625
  5. Step 5: Solve for x
    x = 231,800,625/9,717
  6. Step 6: Final answer
    x = 23,855.16

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.