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Finding the Third Proportional to 144,016 and 313,856

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Solution

The third proportional to 144,016 and 313,856 is: 683,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,016 : 313,856 = 313,856 : x
  2. Step 2: Convert to fraction form
    144,016/313,856 = 313,856/x
  3. Step 3: Cross multiply
    144,016x = 313,856 × 313,856
  4. Step 4: Simplify right side
    144,016x = 98,505,588,736
  5. Step 5: Solve for x
    x = 98,505,588,736/144,016
  6. Step 6: Final answer
    x = 683,990.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.