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Finding the Third Proportional to 15,303.94 and 21,662.44

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Solution

The third proportional to 15,303.94 and 21,662.44 is: 30,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303.94 : 21,662.44 = 21,662.44 : x
  2. Step 2: Convert to fraction form
    15,303.94/21,662.44 = 21,662.44/x
  3. Step 3: Cross multiply
    15,303.94x = 21,662.44 × 21,662.44
  4. Step 4: Simplify right side
    15,303.94x = 469,261,198.44
  5. Step 5: Solve for x
    x = 469,261,198.44/15,303.94
  6. Step 6: Final answer
    x = 30,662.78

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.