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Finding the Third Proportional to 19,651.50 and 27,621

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Solution

The third proportional to 19,651.50 and 27,621 is: 38,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.50 : 27,621 = 27,621 : x
  2. Step 2: Convert to fraction form
    19,651.50/27,621 = 27,621/x
  3. Step 3: Cross multiply
    19,651.50x = 27,621 × 27,621
  4. Step 4: Simplify right side
    19,651.50x = 762,919,641
  5. Step 5: Solve for x
    x = 762,919,641/19,651.50
  6. Step 6: Final answer
    x = 38,822.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.