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Finding the Third Proportional to 18,538,812 and 27,144,558

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Solution

The third proportional to 18,538,812 and 27,144,558 is: 39,745,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,812 : 27,144,558 = 27,144,558 : x
  2. Step 2: Convert to fraction form
    18,538,812/27,144,558 = 27,144,558/x
  3. Step 3: Cross multiply
    18,538,812x = 27,144,558 × 27,144,558
  4. Step 4: Simplify right side
    18,538,812x = 736,827,029,015,364
  5. Step 5: Solve for x
    x = 736,827,029,015,364/18,538,812
  6. Step 6: Final answer
    x = 39,745,104.97

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.