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Finding the Third Proportional to 297,996 and 649,194.75

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Solution

The third proportional to 297,996 and 649,194.75 is: 1,414,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,996 : 649,194.75 = 649,194.75 : x
  2. Step 2: Convert to fraction form
    297,996/649,194.75 = 649,194.75/x
  3. Step 3: Cross multiply
    297,996x = 649,194.75 × 649,194.75
  4. Step 4: Simplify right side
    297,996x = 421,453,823,427.56
  5. Step 5: Solve for x
    x = 421,453,823,427.56/297,996
  6. Step 6: Final answer
    x = 1,414,293.56

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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.