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Finding the Third Proportional to 8,938 and 19,107

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Solution

The third proportional to 8,938 and 19,107 is: 40,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938 : 19,107 = 19,107 : x
  2. Step 2: Convert to fraction form
    8,938/19,107 = 19,107/x
  3. Step 3: Cross multiply
    8,938x = 19,107 × 19,107
  4. Step 4: Simplify right side
    8,938x = 365,077,449
  5. Step 5: Solve for x
    x = 365,077,449/8,938
  6. Step 6: Final answer
    x = 40,845.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.