Finding the Third Proportional to 853,988 and 1,839,928
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Solution
The third proportional to 853,988 and 1,839,928 is: 3,964,148.26
Step by Step Solution
- Step 1: Write the proportion equation
853,988 : 1,839,928 = 1,839,928 : x - Step 2: Convert to fraction form
853,988/1,839,928 = 1,839,928/x - Step 3: Cross multiply
853,988x = 1,839,928 × 1,839,928 - Step 4: Simplify right side
853,988x = 3,385,335,045,184 - Step 5: Solve for x
x = 3,385,335,045,184/853,988 - Step 6: Final answer
x = 3,964,148.26
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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.