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Finding the Third Proportional to 17,968 and 39,392

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Solution

The third proportional to 17,968 and 39,392 is: 86,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968 : 39,392 = 39,392 : x
  2. Step 2: Convert to fraction form
    17,968/39,392 = 39,392/x
  3. Step 3: Cross multiply
    17,968x = 39,392 × 39,392
  4. Step 4: Simplify right side
    17,968x = 1,551,729,664
  5. Step 5: Solve for x
    x = 1,551,729,664/17,968
  6. Step 6: Final answer
    x = 86,360.73

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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.