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Finding the Third Proportional to 8,682,030 and 18,858,672

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Solution

The third proportional to 8,682,030 and 18,858,672 is: 40,963,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,030 : 18,858,672 = 18,858,672 : x
  2. Step 2: Convert to fraction form
    8,682,030/18,858,672 = 18,858,672/x
  3. Step 3: Cross multiply
    8,682,030x = 18,858,672 × 18,858,672
  4. Step 4: Simplify right side
    8,682,030x = 355,649,509,603,584
  5. Step 5: Solve for x
    x = 355,649,509,603,584/8,682,030
  6. Step 6: Final answer
    x = 40,963,865.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.