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Finding the Third Proportional to 10,119 and 11,199

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Solution

The third proportional to 10,119 and 11,199 is: 12,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119 : 11,199 = 11,199 : x
  2. Step 2: Convert to fraction form
    10,119/11,199 = 11,199/x
  3. Step 3: Cross multiply
    10,119x = 11,199 × 11,199
  4. Step 4: Simplify right side
    10,119x = 125,417,601
  5. Step 5: Solve for x
    x = 125,417,601/10,119
  6. Step 6: Final answer
    x = 12,394.27

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.