Finding the Third Proportional to 209,483,746 and 455,227,405
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Solution
The third proportional to 209,483,746 and 455,227,405 is: 989,250,928.63
Step by Step Solution
- Step 1: Write the proportion equation
209,483,746 : 455,227,405 = 455,227,405 : x - Step 2: Convert to fraction form
209,483,746/455,227,405 = 455,227,405/x - Step 3: Cross multiply
209,483,746x = 455,227,405 × 455,227,405 - Step 4: Simplify right side
209,483,746x = 207,231,990,263,034,016 - Step 5: Solve for x
x = 207,231,990,263,034,016/209,483,746 - Step 6: Final answer
x = 989,250,928.63
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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.