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Finding the Third Proportional to 13,591.13 and 19,900.13

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Solution

The third proportional to 13,591.13 and 19,900.13 is: 29,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.13 : 19,900.13 = 19,900.13 : x
  2. Step 2: Convert to fraction form
    13,591.13/19,900.13 = 19,900.13/x
  3. Step 3: Cross multiply
    13,591.13x = 19,900.13 × 19,900.13
  4. Step 4: Simplify right side
    13,591.13x = 396,014,975.02
  5. Step 5: Solve for x
    x = 396,014,975.02/13,591.13
  6. Step 6: Final answer
    x = 29,137.76

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.