Finding the Third Proportional to 139,239,940 and 289,922,568
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Solution
The third proportional to 139,239,940 and 289,922,568 is: 603,670,867.97
Step by Step Solution
- Step 1: Write the proportion equation
139,239,940 : 289,922,568 = 289,922,568 : x - Step 2: Convert to fraction form
139,239,940/289,922,568 = 289,922,568/x - Step 3: Cross multiply
139,239,940x = 289,922,568 × 289,922,568 - Step 4: Simplify right side
139,239,940x = 84,055,095,435,714,624 - Step 5: Solve for x
x = 84,055,095,435,714,624/139,239,940 - Step 6: Final answer
x = 603,670,867.97
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.