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Finding the Third Proportional to 396,896.63 and 857,455.88

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Solution

The third proportional to 396,896.63 and 857,455.88 is: 1,852,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,896.63 : 857,455.88 = 857,455.88 : x
  2. Step 2: Convert to fraction form
    396,896.63/857,455.88 = 857,455.88/x
  3. Step 3: Cross multiply
    396,896.63x = 857,455.88 × 857,455.88
  4. Step 4: Simplify right side
    396,896.63x = 735,230,577,572.02
  5. Step 5: Solve for x
    x = 735,230,577,572.02/396,896.63
  6. Step 6: Final answer
    x = 1,852,448.55

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.