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Finding the Third Proportional to 121,011 and 192,194

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Solution

The third proportional to 121,011 and 192,194 is: 305,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,011 : 192,194 = 192,194 : x
  2. Step 2: Convert to fraction form
    121,011/192,194 = 192,194/x
  3. Step 3: Cross multiply
    121,011x = 192,194 × 192,194
  4. Step 4: Simplify right side
    121,011x = 36,938,533,636
  5. Step 5: Solve for x
    x = 36,938,533,636/121,011
  6. Step 6: Final answer
    x = 305,249.39

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.