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Finding the Third Proportional to 9,207 and 11,199

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Solution

The third proportional to 9,207 and 11,199 is: 13,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207 : 11,199 = 11,199 : x
  2. Step 2: Convert to fraction form
    9,207/11,199 = 11,199/x
  3. Step 3: Cross multiply
    9,207x = 11,199 × 11,199
  4. Step 4: Simplify right side
    9,207x = 125,417,601
  5. Step 5: Solve for x
    x = 125,417,601/9,207
  6. Step 6: Final answer
    x = 13,621.98

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.