Finding the Third Proportional to 206,866,451 and 438,950,119
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Solution
The third proportional to 206,866,451 and 438,950,119 is: 931,408,674.72
Step by Step Solution
- Step 1: Write the proportion equation
206,866,451 : 438,950,119 = 438,950,119 : x - Step 2: Convert to fraction form
206,866,451/438,950,119 = 438,950,119/x - Step 3: Cross multiply
206,866,451x = 438,950,119 × 438,950,119 - Step 4: Simplify right side
206,866,451x = 192,677,206,970,114,176 - Step 5: Solve for x
x = 192,677,206,970,114,176/206,866,451 - Step 6: Final answer
x = 931,408,674.72
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.