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Finding the Third Proportional to 8,494,488 and 18,481,968

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Solution

The third proportional to 8,494,488 and 18,481,968 is: 40,212,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494,488 : 18,481,968 = 18,481,968 : x
  2. Step 2: Convert to fraction form
    8,494,488/18,481,968 = 18,481,968/x
  3. Step 3: Cross multiply
    8,494,488x = 18,481,968 × 18,481,968
  4. Step 4: Simplify right side
    8,494,488x = 341,583,141,153,024
  5. Step 5: Solve for x
    x = 341,583,141,153,024/8,494,488
  6. Step 6: Final answer
    x = 40,212,328.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.