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Finding the Third Proportional to 397,199 and 851,252

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Solution

The third proportional to 397,199 and 851,252 is: 1,824,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,199 : 851,252 = 851,252 : x
  2. Step 2: Convert to fraction form
    397,199/851,252 = 851,252/x
  3. Step 3: Cross multiply
    397,199x = 851,252 × 851,252
  4. Step 4: Simplify right side
    397,199x = 724,629,967,504
  5. Step 5: Solve for x
    x = 724,629,967,504/397,199
  6. Step 6: Final answer
    x = 1,824,349.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.