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Finding the Third Proportional to 8,332,128 and 12,498,192

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Solution

The third proportional to 8,332,128 and 12,498,192 is: 18,747,288

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332,128 : 12,498,192 = 12,498,192 : x
  2. Step 2: Convert to fraction form
    8,332,128/12,498,192 = 12,498,192/x
  3. Step 3: Cross multiply
    8,332,128x = 12,498,192 × 12,498,192
  4. Step 4: Simplify right side
    8,332,128x = 156,204,803,268,864
  5. Step 5: Solve for x
    x = 156,204,803,268,864/8,332,128
  6. Step 6: Final answer
    x = 18,747,288

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.