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Finding the Third Proportional to 11,924.63 and 18,879.38

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Solution

The third proportional to 11,924.63 and 18,879.38 is: 29,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.63 : 18,879.38 = 18,879.38 : x
  2. Step 2: Convert to fraction form
    11,924.63/18,879.38 = 18,879.38/x
  3. Step 3: Cross multiply
    11,924.63x = 18,879.38 × 18,879.38
  4. Step 4: Simplify right side
    11,924.63x = 356,430,800.39
  5. Step 5: Solve for x
    x = 356,430,800.39/11,924.63
  6. Step 6: Final answer
    x = 29,890.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.