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Finding the Third Proportional to 43,808.25 and 68,631.75

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Solution

The third proportional to 43,808.25 and 68,631.75 is: 107,521.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,808.25 : 68,631.75 = 68,631.75 : x
  2. Step 2: Convert to fraction form
    43,808.25/68,631.75 = 68,631.75/x
  3. Step 3: Cross multiply
    43,808.25x = 68,631.75 × 68,631.75
  4. Step 4: Simplify right side
    43,808.25x = 4,710,317,108.06
  5. Step 5: Solve for x
    x = 4,710,317,108.06/43,808.25
  6. Step 6: Final answer
    x = 107,521.23

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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.