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Finding the Third Proportional to 12,045,885 and 18,351,144

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Solution

The third proportional to 12,045,885 and 18,351,144 is: 27,956,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045,885 : 18,351,144 = 18,351,144 : x
  2. Step 2: Convert to fraction form
    12,045,885/18,351,144 = 18,351,144/x
  3. Step 3: Cross multiply
    12,045,885x = 18,351,144 × 18,351,144
  4. Step 4: Simplify right side
    12,045,885x = 336,764,486,108,736
  5. Step 5: Solve for x
    x = 336,764,486,108,736/12,045,885
  6. Step 6: Final answer
    x = 27,956,807.33

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.