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Finding the Third Proportional to 9,190 and 19,936

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Solution

The third proportional to 9,190 and 19,936 is: 43,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190 : 19,936 = 19,936 : x
  2. Step 2: Convert to fraction form
    9,190/19,936 = 19,936/x
  3. Step 3: Cross multiply
    9,190x = 19,936 × 19,936
  4. Step 4: Simplify right side
    9,190x = 397,444,096
  5. Step 5: Solve for x
    x = 397,444,096/9,190
  6. Step 6: Final answer
    x = 43,247.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.