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Finding the Third Proportional to 8,947.13 and 13,147.13

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Solution

The third proportional to 8,947.13 and 13,147.13 is: 19,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.13 : 13,147.13 = 13,147.13 : x
  2. Step 2: Convert to fraction form
    8,947.13/13,147.13 = 13,147.13/x
  3. Step 3: Cross multiply
    8,947.13x = 13,147.13 × 13,147.13
  4. Step 4: Simplify right side
    8,947.13x = 172,846,895.77
  5. Step 5: Solve for x
    x = 172,846,895.77/8,947.13
  6. Step 6: Final answer
    x = 19,318.71

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.