Finding the Third Proportional to 219,420,915 and 471,863,910
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Solution
The third proportional to 219,420,915 and 471,863,910 is: 1,014,741,687.50
Step by Step Solution
- Step 1: Write the proportion equation
219,420,915 : 471,863,910 = 471,863,910 : x - Step 2: Convert to fraction form
219,420,915/471,863,910 = 471,863,910/x - Step 3: Cross multiply
219,420,915x = 471,863,910 × 471,863,910 - Step 4: Simplify right side
219,420,915x = 222,655,549,560,488,096 - Step 5: Solve for x
x = 222,655,549,560,488,096/219,420,915 - Step 6: Final answer
x = 1,014,741,687.50
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.