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Finding the Third Proportional to 144,864 and 320,832

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Solution

The third proportional to 144,864 and 320,832 is: 710,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,864 : 320,832 = 320,832 : x
  2. Step 2: Convert to fraction form
    144,864/320,832 = 320,832/x
  3. Step 3: Cross multiply
    144,864x = 320,832 × 320,832
  4. Step 4: Simplify right side
    144,864x = 102,933,172,224
  5. Step 5: Solve for x
    x = 102,933,172,224/144,864
  6. Step 6: Final answer
    x = 710,550.39

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.