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Finding the Third Proportional to 12,647,668 and 18,936,798

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Solution

The third proportional to 12,647,668 and 18,936,798 is: 28,353,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,668 : 18,936,798 = 18,936,798 : x
  2. Step 2: Convert to fraction form
    12,647,668/18,936,798 = 18,936,798/x
  3. Step 3: Cross multiply
    12,647,668x = 18,936,798 × 18,936,798
  4. Step 4: Simplify right side
    12,647,668x = 358,602,318,492,804
  5. Step 5: Solve for x
    x = 358,602,318,492,804/12,647,668
  6. Step 6: Final answer
    x = 28,353,236.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.