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Finding the Third Proportional to 534,845 and 1,138,378

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Solution

The third proportional to 534,845 and 1,138,378 is: 2,422,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,845 : 1,138,378 = 1,138,378 : x
  2. Step 2: Convert to fraction form
    534,845/1,138,378 = 1,138,378/x
  3. Step 3: Cross multiply
    534,845x = 1,138,378 × 1,138,378
  4. Step 4: Simplify right side
    534,845x = 1,295,904,470,884
  5. Step 5: Solve for x
    x = 1,295,904,470,884/534,845
  6. Step 6: Final answer
    x = 2,422,953.32

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.