Finding the Third Proportional to 99,389 and 198,697
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Solution
The third proportional to 99,389 and 198,697 is: 397,232.07
Step by Step Solution
- Step 1: Write the proportion equation
99,389 : 198,697 = 198,697 : x - Step 2: Convert to fraction form
99,389/198,697 = 198,697/x - Step 3: Cross multiply
99,389x = 198,697 × 198,697 - Step 4: Simplify right side
99,389x = 39,480,497,809 - Step 5: Solve for x
x = 39,480,497,809/99,389 - Step 6: Final answer
x = 397,232.07
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These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.