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Finding the Third Proportional to 11,800,685 and 18,225,098

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Solution

The third proportional to 11,800,685 and 18,225,098 is: 28,147,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800,685 : 18,225,098 = 18,225,098 : x
  2. Step 2: Convert to fraction form
    11,800,685/18,225,098 = 18,225,098/x
  3. Step 3: Cross multiply
    11,800,685x = 18,225,098 × 18,225,098
  4. Step 4: Simplify right side
    11,800,685x = 332,154,197,109,604
  5. Step 5: Solve for x
    x = 332,154,197,109,604/11,800,685
  6. Step 6: Final answer
    x = 28,147,026.81

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.