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Finding the Third Proportional to 12,981.94 and 28,366.31

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Solution

The third proportional to 12,981.94 and 28,366.31 is: 61,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,981.94 : 28,366.31 = 28,366.31 : x
  2. Step 2: Convert to fraction form
    12,981.94/28,366.31 = 28,366.31/x
  3. Step 3: Cross multiply
    12,981.94x = 28,366.31 × 28,366.31
  4. Step 4: Simplify right side
    12,981.94x = 804,647,684.85
  5. Step 5: Solve for x
    x = 804,647,684.85/12,981.94
  6. Step 6: Final answer
    x = 61,982.10

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.