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Finding the Third Proportional to 121,414 and 184,308

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Solution

The third proportional to 121,414 and 184,308 is: 279,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,414 : 184,308 = 184,308 : x
  2. Step 2: Convert to fraction form
    121,414/184,308 = 184,308/x
  3. Step 3: Cross multiply
    121,414x = 184,308 × 184,308
  4. Step 4: Simplify right side
    121,414x = 33,969,438,864
  5. Step 5: Solve for x
    x = 33,969,438,864/121,414
  6. Step 6: Final answer
    x = 279,781.89

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.