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Finding the Third Proportional to 11,178,783 and 15,821,190

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Solution

The third proportional to 11,178,783 and 15,821,190 is: 22,391,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,783 : 15,821,190 = 15,821,190 : x
  2. Step 2: Convert to fraction form
    11,178,783/15,821,190 = 15,821,190/x
  3. Step 3: Cross multiply
    11,178,783x = 15,821,190 × 15,821,190
  4. Step 4: Simplify right side
    11,178,783x = 250,310,053,016,100
  5. Step 5: Solve for x
    x = 250,310,053,016,100/11,178,783
  6. Step 6: Final answer
    x = 22,391,529.83

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.