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Finding the Third Proportional to 395,679 and 933,442

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Solution

The third proportional to 395,679 and 933,442 is: 2,202,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,679 : 933,442 = 933,442 : x
  2. Step 2: Convert to fraction form
    395,679/933,442 = 933,442/x
  3. Step 3: Cross multiply
    395,679x = 933,442 × 933,442
  4. Step 4: Simplify right side
    395,679x = 871,313,967,364
  5. Step 5: Solve for x
    x = 871,313,967,364/395,679
  6. Step 6: Final answer
    x = 2,202,072.81

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.