Finding the Third Proportional to 984,858 and 2,116,839
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Solution
The third proportional to 984,858 and 2,116,839 is: 4,549,901.97
Step by Step Solution
- Step 1: Write the proportion equation
984,858 : 2,116,839 = 2,116,839 : x - Step 2: Convert to fraction form
984,858/2,116,839 = 2,116,839/x - Step 3: Cross multiply
984,858x = 2,116,839 × 2,116,839 - Step 4: Simplify right side
984,858x = 4,481,007,351,921 - Step 5: Solve for x
x = 4,481,007,351,921/984,858 - Step 6: Final answer
x = 4,549,901.97
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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.