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Finding the Third Proportional to 122,678 and 184,631

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Solution

The third proportional to 122,678 and 184,631 is: 277,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,678 : 184,631 = 184,631 : x
  2. Step 2: Convert to fraction form
    122,678/184,631 = 184,631/x
  3. Step 3: Cross multiply
    122,678x = 184,631 × 184,631
  4. Step 4: Simplify right side
    122,678x = 34,088,606,161
  5. Step 5: Solve for x
    x = 34,088,606,161/122,678
  6. Step 6: Final answer
    x = 277,870.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.