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Finding the Third Proportional to 12,247.88 and 19,419.75

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Solution

The third proportional to 12,247.88 and 19,419.75 is: 30,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.88 : 19,419.75 = 19,419.75 : x
  2. Step 2: Convert to fraction form
    12,247.88/19,419.75 = 19,419.75/x
  3. Step 3: Cross multiply
    12,247.88x = 19,419.75 × 19,419.75
  4. Step 4: Simplify right side
    12,247.88x = 377,126,690.06
  5. Step 5: Solve for x
    x = 377,126,690.06/12,247.88
  6. Step 6: Final answer
    x = 30,791.19

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.