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Finding the Third Proportional to 81,936 and 122,924.25

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Solution

The third proportional to 81,936 and 122,924.25 is: 184,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,936 : 122,924.25 = 122,924.25 : x
  2. Step 2: Convert to fraction form
    81,936/122,924.25 = 122,924.25/x
  3. Step 3: Cross multiply
    81,936x = 122,924.25 × 122,924.25
  4. Step 4: Simplify right side
    81,936x = 15,110,371,238.06
  5. Step 5: Solve for x
    x = 15,110,371,238.06/81,936
  6. Step 6: Final answer
    x = 184,416.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.