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Finding the Third Proportional to 3,997.27 and 8,673.75

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Solution

The third proportional to 3,997.27 and 8,673.75 is: 18,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.27 : 8,673.75 = 8,673.75 : x
  2. Step 2: Convert to fraction form
    3,997.27/8,673.75 = 8,673.75/x
  3. Step 3: Cross multiply
    3,997.27x = 8,673.75 × 8,673.75
  4. Step 4: Simplify right side
    3,997.27x = 75,233,939.06
  5. Step 5: Solve for x
    x = 75,233,939.06/3,997.27
  6. Step 6: Final answer
    x = 18,821.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.