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Finding the Third Proportional to 1,870,155 and 4,090,230

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Solution

The third proportional to 1,870,155 and 4,090,230 is: 8,945,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,155 : 4,090,230 = 4,090,230 : x
  2. Step 2: Convert to fraction form
    1,870,155/4,090,230 = 4,090,230/x
  3. Step 3: Cross multiply
    1,870,155x = 4,090,230 × 4,090,230
  4. Step 4: Simplify right side
    1,870,155x = 16,729,981,452,900
  5. Step 5: Solve for x
    x = 16,729,981,452,900/1,870,155
  6. Step 6: Final answer
    x = 8,945,772.65

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.