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Finding the Third Proportional to 263,298.75 and 397,266.75

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Solution

The third proportional to 263,298.75 and 397,266.75 is: 599,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,298.75 : 397,266.75 = 397,266.75 : x
  2. Step 2: Convert to fraction form
    263,298.75/397,266.75 = 397,266.75/x
  3. Step 3: Cross multiply
    263,298.75x = 397,266.75 × 397,266.75
  4. Step 4: Simplify right side
    263,298.75x = 157,820,870,655.56
  5. Step 5: Solve for x
    x = 157,820,870,655.56/263,298.75
  6. Step 6: Final answer
    x = 599,398.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.