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Finding the Third Proportional to 400,859,245 and 838,370,058

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Solution

The third proportional to 400,859,245 and 838,370,058 is: 1,753,394,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,859,245 : 838,370,058 = 838,370,058 : x
  2. Step 2: Convert to fraction form
    400,859,245/838,370,058 = 838,370,058/x
  3. Step 3: Cross multiply
    400,859,245x = 838,370,058 × 838,370,058
  4. Step 4: Simplify right side
    400,859,245x = 702,864,354,150,923,392
  5. Step 5: Solve for x
    x = 702,864,354,150,923,392/400,859,245
  6. Step 6: Final answer
    x = 1,753,394,396.96

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.