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Finding the Third Proportional to 18,107.72 and 40,103.44

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Solution

The third proportional to 18,107.72 and 40,103.44 is: 88,817.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.72 : 40,103.44 = 40,103.44 : x
  2. Step 2: Convert to fraction form
    18,107.72/40,103.44 = 40,103.44/x
  3. Step 3: Cross multiply
    18,107.72x = 40,103.44 × 40,103.44
  4. Step 4: Simplify right side
    18,107.72x = 1,608,285,699.32
  5. Step 5: Solve for x
    x = 1,608,285,699.32/18,107.72
  6. Step 6: Final answer
    x = 88,817.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.