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Finding the Third Proportional to 19,188 and 39,327

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Solution

The third proportional to 19,188 and 39,327 is: 80,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188 : 39,327 = 39,327 : x
  2. Step 2: Convert to fraction form
    19,188/39,327 = 39,327/x
  3. Step 3: Cross multiply
    19,188x = 39,327 × 39,327
  4. Step 4: Simplify right side
    19,188x = 1,546,612,929
  5. Step 5: Solve for x
    x = 1,546,612,929/19,188
  6. Step 6: Final answer
    x = 80,603.13

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.