Finding the Third Proportional to 3,920,914.69 and 8,493,216.19
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Solution
The third proportional to 3,920,914.69 and 8,493,216.19 is: 18,397,421.76
Step by Step Solution
- Step 1: Write the proportion equation
3,920,914.69 : 8,493,216.19 = 8,493,216.19 : x - Step 2: Convert to fraction form
3,920,914.69/8,493,216.19 = 8,493,216.19/x - Step 3: Cross multiply
3,920,914.69x = 8,493,216.19 × 8,493,216.19 - Step 4: Simplify right side
3,920,914.69x = 72,134,721,207,612.03 - Step 5: Solve for x
x = 72,134,721,207,612.03/3,920,914.69 - Step 6: Final answer
x = 18,397,421.76
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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.