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Finding the Third Proportional to 16,190.25 and 21,519.56

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Solution

The third proportional to 16,190.25 and 21,519.56 is: 28,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.25 : 21,519.56 = 21,519.56 : x
  2. Step 2: Convert to fraction form
    16,190.25/21,519.56 = 21,519.56/x
  3. Step 3: Cross multiply
    16,190.25x = 21,519.56 × 21,519.56
  4. Step 4: Simplify right side
    16,190.25x = 463,091,570.19
  5. Step 5: Solve for x
    x = 463,091,570.19/16,190.25
  6. Step 6: Final answer
    x = 28,603.11

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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.