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Finding the Third Proportional to 19,161 and 41,871

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Solution

The third proportional to 19,161 and 41,871 is: 91,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161 : 41,871 = 41,871 : x
  2. Step 2: Convert to fraction form
    19,161/41,871 = 41,871/x
  3. Step 3: Cross multiply
    19,161x = 41,871 × 41,871
  4. Step 4: Simplify right side
    19,161x = 1,753,180,641
  5. Step 5: Solve for x
    x = 1,753,180,641/19,161
  6. Step 6: Final answer
    x = 91,497.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.