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Finding the Third Proportional to 140,469.19 and 303,383.39

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Solution

The third proportional to 140,469.19 and 303,383.39 is: 655,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,469.19 : 303,383.39 = 303,383.39 : x
  2. Step 2: Convert to fraction form
    140,469.19/303,383.39 = 303,383.39/x
  3. Step 3: Cross multiply
    140,469.19x = 303,383.39 × 303,383.39
  4. Step 4: Simplify right side
    140,469.19x = 92,041,481,707.12
  5. Step 5: Solve for x
    x = 92,041,481,707.12/140,469.19
  6. Step 6: Final answer
    x = 655,243.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.