Finding the Third Proportional to 218,309 and 469,818
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Solution
The third proportional to 218,309 and 469,818 is: 1,011,084.99
Step by Step Solution
- Step 1: Write the proportion equation
218,309 : 469,818 = 469,818 : x - Step 2: Convert to fraction form
218,309/469,818 = 469,818/x - Step 3: Cross multiply
218,309x = 469,818 × 469,818 - Step 4: Simplify right side
218,309x = 220,728,953,124 - Step 5: Solve for x
x = 220,728,953,124/218,309 - Step 6: Final answer
x = 1,011,084.99
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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.