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Finding the Third Proportional to 11,968 and 18,896

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Solution

The third proportional to 11,968 and 18,896 is: 29,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968 : 18,896 = 18,896 : x
  2. Step 2: Convert to fraction form
    11,968/18,896 = 18,896/x
  3. Step 3: Cross multiply
    11,968x = 18,896 × 18,896
  4. Step 4: Simplify right side
    11,968x = 357,058,816
  5. Step 5: Solve for x
    x = 357,058,816/11,968
  6. Step 6: Final answer
    x = 29,834.46

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.