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Finding the Third Proportional to 128,736 and 204,848

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Solution

The third proportional to 128,736 and 204,848 is: 325,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,736 : 204,848 = 204,848 : x
  2. Step 2: Convert to fraction form
    128,736/204,848 = 204,848/x
  3. Step 3: Cross multiply
    128,736x = 204,848 × 204,848
  4. Step 4: Simplify right side
    128,736x = 41,962,703,104
  5. Step 5: Solve for x
    x = 41,962,703,104/128,736
  6. Step 6: Final answer
    x = 325,959.35

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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.