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Finding the Third Proportional to 384,849 and 825,738.75

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Solution

The third proportional to 384,849 and 825,738.75 is: 1,771,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,849 : 825,738.75 = 825,738.75 : x
  2. Step 2: Convert to fraction form
    384,849/825,738.75 = 825,738.75/x
  3. Step 3: Cross multiply
    384,849x = 825,738.75 × 825,738.75
  4. Step 4: Simplify right side
    384,849x = 681,844,483,251.56
  5. Step 5: Solve for x
    x = 681,844,483,251.56/384,849
  6. Step 6: Final answer
    x = 1,771,719.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.