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Finding the Third Proportional to 18,422.44 and 28,351.27

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Solution

The third proportional to 18,422.44 and 28,351.27 is: 43,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.44 : 28,351.27 = 28,351.27 : x
  2. Step 2: Convert to fraction form
    18,422.44/28,351.27 = 28,351.27/x
  3. Step 3: Cross multiply
    18,422.44x = 28,351.27 × 28,351.27
  4. Step 4: Simplify right side
    18,422.44x = 803,794,262.54
  5. Step 5: Solve for x
    x = 803,794,262.54/18,422.44
  6. Step 6: Final answer
    x = 43,631.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.