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Finding the Third Proportional to 7,692,879.94 and 12,181,479.75

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Solution

The third proportional to 7,692,879.94 and 12,181,479.75 is: 19,289,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692,879.94 : 12,181,479.75 = 12,181,479.75 : x
  2. Step 2: Convert to fraction form
    7,692,879.94/12,181,479.75 = 12,181,479.75/x
  3. Step 3: Cross multiply
    7,692,879.94x = 12,181,479.75 × 12,181,479.75
  4. Step 4: Simplify right side
    7,692,879.94x = 148,388,448,899,660.06
  5. Step 5: Solve for x
    x = 148,388,448,899,660.06/7,692,879.94
  6. Step 6: Final answer
    x = 19,289,063.41

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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.