Finding the Third Proportional to 71,645,923 and 155,455,939
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Solution
The third proportional to 71,645,923 and 155,455,939 is: 337,305,291.89
Step by Step Solution
- Step 1: Write the proportion equation
71,645,923 : 155,455,939 = 155,455,939 : x - Step 2: Convert to fraction form
71,645,923/155,455,939 = 155,455,939/x - Step 3: Cross multiply
71,645,923x = 155,455,939 × 155,455,939 - Step 4: Simplify right side
71,645,923x = 24,166,548,970,371,720 - Step 5: Solve for x
x = 24,166,548,970,371,720/71,645,923 - Step 6: Final answer
x = 337,305,291.89
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.