Finding the Third Proportional to 131,218 and 287,636
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Solution
The third proportional to 131,218 and 287,636 is: 630,511.58
Step by Step Solution
- Step 1: Write the proportion equation
131,218 : 287,636 = 287,636 : x - Step 2: Convert to fraction form
131,218/287,636 = 287,636/x - Step 3: Cross multiply
131,218x = 287,636 × 287,636 - Step 4: Simplify right side
131,218x = 82,734,468,496 - Step 5: Solve for x
x = 82,734,468,496/131,218 - Step 6: Final answer
x = 630,511.58
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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.