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Finding the Third Proportional to 18,056,727 and 27,990,522

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Solution

The third proportional to 18,056,727 and 27,990,522 is: 43,389,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056,727 : 27,990,522 = 27,990,522 : x
  2. Step 2: Convert to fraction form
    18,056,727/27,990,522 = 27,990,522/x
  3. Step 3: Cross multiply
    18,056,727x = 27,990,522 × 27,990,522
  4. Step 4: Simplify right side
    18,056,727x = 783,469,321,832,484
  5. Step 5: Solve for x
    x = 783,469,321,832,484/18,056,727
  6. Step 6: Final answer
    x = 43,389,331.96

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.