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Finding the Third Proportional to 19,113 and 41,991

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Solution

The third proportional to 19,113 and 41,991 is: 92,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113 : 41,991 = 41,991 : x
  2. Step 2: Convert to fraction form
    19,113/41,991 = 41,991/x
  3. Step 3: Cross multiply
    19,113x = 41,991 × 41,991
  4. Step 4: Simplify right side
    19,113x = 1,763,244,081
  5. Step 5: Solve for x
    x = 1,763,244,081/19,113
  6. Step 6: Final answer
    x = 92,253.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.