Finding the Third Proportional to 331,858,812 and 478,021,626
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Solution
The third proportional to 331,858,812 and 478,021,626 is: 688,559,913.62
Step by Step Solution
- Step 1: Write the proportion equation
331,858,812 : 478,021,626 = 478,021,626 : x - Step 2: Convert to fraction form
331,858,812/478,021,626 = 478,021,626/x - Step 3: Cross multiply
331,858,812x = 478,021,626 × 478,021,626 - Step 4: Simplify right side
331,858,812x = 228,504,674,923,683,872 - Step 5: Solve for x
x = 228,504,674,923,683,872/331,858,812 - Step 6: Final answer
x = 688,559,913.62
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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.