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Finding the Third Proportional to 18,228,211 and 39,585,945

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Solution

The third proportional to 18,228,211 and 39,585,945 is: 85,968,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228,211 : 39,585,945 = 39,585,945 : x
  2. Step 2: Convert to fraction form
    18,228,211/39,585,945 = 39,585,945/x
  3. Step 3: Cross multiply
    18,228,211x = 39,585,945 × 39,585,945
  4. Step 4: Simplify right side
    18,228,211x = 1,567,047,041,543,025
  5. Step 5: Solve for x
    x = 1,567,047,041,543,025/18,228,211
  6. Step 6: Final answer
    x = 85,968,230.32

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.