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Finding the Third Proportional to 8,631 and 19,486.13

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Solution

The third proportional to 8,631 and 19,486.13 is: 43,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631 : 19,486.13 = 19,486.13 : x
  2. Step 2: Convert to fraction form
    8,631/19,486.13 = 19,486.13/x
  3. Step 3: Cross multiply
    8,631x = 19,486.13 × 19,486.13
  4. Step 4: Simplify right side
    8,631x = 379,709,067.52
  5. Step 5: Solve for x
    x = 379,709,067.52/8,631
  6. Step 6: Final answer
    x = 43,993.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.