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Finding the Third Proportional to 18,244,488 and 39,381,648

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Solution

The third proportional to 18,244,488 and 39,381,648 is: 85,007,274.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244,488 : 39,381,648 = 39,381,648 : x
  2. Step 2: Convert to fraction form
    18,244,488/39,381,648 = 39,381,648/x
  3. Step 3: Cross multiply
    18,244,488x = 39,381,648 × 39,381,648
  4. Step 4: Simplify right side
    18,244,488x = 1,550,914,199,195,904
  5. Step 5: Solve for x
    x = 1,550,914,199,195,904/18,244,488
  6. Step 6: Final answer
    x = 85,007,274.48

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.