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Finding the Third Proportional to 140,114.25 and 303,972.75

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Solution

The third proportional to 140,114.25 and 303,972.75 is: 659,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,114.25 : 303,972.75 = 303,972.75 : x
  2. Step 2: Convert to fraction form
    140,114.25/303,972.75 = 303,972.75/x
  3. Step 3: Cross multiply
    140,114.25x = 303,972.75 × 303,972.75
  4. Step 4: Simplify right side
    140,114.25x = 92,399,432,742.56
  5. Step 5: Solve for x
    x = 92,399,432,742.56/140,114.25
  6. Step 6: Final answer
    x = 659,457.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.