Finding the Third Proportional to 8,516,420,876 and 18,638,311,900
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Solution
The third proportional to 8,516,420,876 and 18,638,311,900 is: 40,790,218,747.95
Step by Step Solution
- Step 1: Write the proportion equation
8,516,420,876 : 18,638,311,900 = 18,638,311,900 : x - Step 2: Convert to fraction form
8,516,420,876/18,638,311,900 = 18,638,311,900/x - Step 3: Cross multiply
8,516,420,876x = 18,638,311,900 × 18,638,311,900 - Step 4: Simplify right side
8,516,420,876x = 347,386,670,481,681,612,800 - Step 5: Solve for x
x = 347,386,670,481,681,612,800/8,516,420,876 - Step 6: Final answer
x = 40,790,218,747.95
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.