Finding the Third Proportional to 431,120.81 and 906,891.19
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Solution
The third proportional to 431,120.81 and 906,891.19 is: 1,907,705.69
Step by Step Solution
- Step 1: Write the proportion equation
431,120.81 : 906,891.19 = 906,891.19 : x - Step 2: Convert to fraction form
431,120.81/906,891.19 = 906,891.19/x - Step 3: Cross multiply
431,120.81x = 906,891.19 × 906,891.19 - Step 4: Simplify right side
431,120.81x = 822,451,625,965.16 - Step 5: Solve for x
x = 822,451,625,965.16/431,120.81 - Step 6: Final answer
x = 1,907,705.69
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.