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Finding the Third Proportional to 11,672,513 and 18,647,090

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Solution

The third proportional to 11,672,513 and 18,647,090 is: 29,789,126.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672,513 : 18,647,090 = 18,647,090 : x
  2. Step 2: Convert to fraction form
    11,672,513/18,647,090 = 18,647,090/x
  3. Step 3: Cross multiply
    11,672,513x = 18,647,090 × 18,647,090
  4. Step 4: Simplify right side
    11,672,513x = 347,713,965,468,100
  5. Step 5: Solve for x
    x = 347,713,965,468,100/11,672,513
  6. Step 6: Final answer
    x = 29,789,126.43

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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.