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Finding the Third Proportional to 122,742 and 190,497

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Solution

The third proportional to 122,742 and 190,497 is: 295,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,742 : 190,497 = 190,497 : x
  2. Step 2: Convert to fraction form
    122,742/190,497 = 190,497/x
  3. Step 3: Cross multiply
    122,742x = 190,497 × 190,497
  4. Step 4: Simplify right side
    122,742x = 36,289,107,009
  5. Step 5: Solve for x
    x = 36,289,107,009/122,742
  6. Step 6: Final answer
    x = 295,653.54

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.