Finding the Third Proportional to 331,858,816 and 478,021,632
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Solution
The third proportional to 331,858,816 and 478,021,632 is: 688,559,922.60
Step by Step Solution
- Step 1: Write the proportion equation
331,858,816 : 478,021,632 = 478,021,632 : x - Step 2: Convert to fraction form
331,858,816/478,021,632 = 478,021,632/x - Step 3: Cross multiply
331,858,816x = 478,021,632 × 478,021,632 - Step 4: Simplify right side
331,858,816x = 228,504,680,659,943,424 - Step 5: Solve for x
x = 228,504,680,659,943,424/331,858,816 - Step 6: Final answer
x = 688,559,922.60
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.