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Finding the Third Proportional to 11,672,532 and 18,647,118

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Solution

The third proportional to 11,672,532 and 18,647,118 is: 29,789,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672,532 : 18,647,118 = 18,647,118 : x
  2. Step 2: Convert to fraction form
    11,672,532/18,647,118 = 18,647,118/x
  3. Step 3: Cross multiply
    11,672,532x = 18,647,118 × 18,647,118
  4. Step 4: Simplify right side
    11,672,532x = 347,715,009,705,924
  5. Step 5: Solve for x
    x = 347,715,009,705,924/11,672,532
  6. Step 6: Final answer
    x = 29,789,167.40

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Why These Related Problems?

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