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Finding the Third Proportional to 18,555,999 and 27,277,906.50

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Solution

The third proportional to 18,555,999 and 27,277,906.50 is: 40,099,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555,999 : 27,277,906.50 = 27,277,906.50 : x
  2. Step 2: Convert to fraction form
    18,555,999/27,277,906.50 = 27,277,906.50/x
  3. Step 3: Cross multiply
    18,555,999x = 27,277,906.50 × 27,277,906.50
  4. Step 4: Simplify right side
    18,555,999x = 744,084,183,022,742.25
  5. Step 5: Solve for x
    x = 744,084,183,022,742.25/18,555,999
  6. Step 6: Final answer
    x = 40,099,386.89

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.