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Finding the Third Proportional to 340,885.50 and 743,979

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Solution

The third proportional to 340,885.50 and 743,979 is: 1,623,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,885.50 : 743,979 = 743,979 : x
  2. Step 2: Convert to fraction form
    340,885.50/743,979 = 743,979/x
  3. Step 3: Cross multiply
    340,885.50x = 743,979 × 743,979
  4. Step 4: Simplify right side
    340,885.50x = 553,504,752,441
  5. Step 5: Solve for x
    x = 553,504,752,441/340,885.50
  6. Step 6: Final answer
    x = 1,623,726.30

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.