Finding the Third Proportional to 852,790 and 1,865,813
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Solution
The third proportional to 852,790 and 1,865,813 is: 4,082,198.61
Step by Step Solution
- Step 1: Write the proportion equation
852,790 : 1,865,813 = 1,865,813 : x - Step 2: Convert to fraction form
852,790/1,865,813 = 1,865,813/x - Step 3: Cross multiply
852,790x = 1,865,813 × 1,865,813 - Step 4: Simplify right side
852,790x = 3,481,258,150,969 - Step 5: Solve for x
x = 3,481,258,150,969/852,790 - Step 6: Final answer
x = 4,082,198.61
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.