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Finding the Third Proportional to 207,447.75 and 320,383.13

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Solution

The third proportional to 207,447.75 and 320,383.13 is: 494,800.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,447.75 : 320,383.13 = 320,383.13 : x
  2. Step 2: Convert to fraction form
    207,447.75/320,383.13 = 320,383.13/x
  3. Step 3: Cross multiply
    207,447.75x = 320,383.13 × 320,383.13
  4. Step 4: Simplify right side
    207,447.75x = 102,645,346,784.77
  5. Step 5: Solve for x
    x = 102,645,346,784.77/207,447.75
  6. Step 6: Final answer
    x = 494,800.96

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.