Finding the Third Proportional to 203,690,507 and 416,793,859
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Solution
The third proportional to 203,690,507 and 416,793,859 is: 852,848,389.74
Step by Step Solution
- Step 1: Write the proportion equation
203,690,507 : 416,793,859 = 416,793,859 : x - Step 2: Convert to fraction form
203,690,507/416,793,859 = 416,793,859/x - Step 3: Cross multiply
203,690,507x = 416,793,859 × 416,793,859 - Step 4: Simplify right side
203,690,507x = 173,717,120,900,111,872 - Step 5: Solve for x
x = 173,717,120,900,111,872/203,690,507 - Step 6: Final answer
x = 852,848,389.74
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.