Finding the Third Proportional to 76,389,198 and 121,158,010
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Solution
The third proportional to 76,389,198 and 121,158,010 is: 192,164,124.92
Step by Step Solution
- Step 1: Write the proportion equation
76,389,198 : 121,158,010 = 121,158,010 : x - Step 2: Convert to fraction form
76,389,198/121,158,010 = 121,158,010/x - Step 3: Cross multiply
76,389,198x = 121,158,010 × 121,158,010 - Step 4: Simplify right side
76,389,198x = 14,679,263,387,160,100 - Step 5: Solve for x
x = 14,679,263,387,160,100/76,389,198 - Step 6: Final answer
x = 192,164,124.92
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.