Finding the Third Proportional to 131,415.75 and 287,709.75
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Solution
The third proportional to 131,415.75 and 287,709.75 is: 629,885.69
Step by Step Solution
- Step 1: Write the proportion equation
131,415.75 : 287,709.75 = 287,709.75 : x - Step 2: Convert to fraction form
131,415.75/287,709.75 = 287,709.75/x - Step 3: Cross multiply
131,415.75x = 287,709.75 × 287,709.75 - Step 4: Simplify right side
131,415.75x = 82,776,900,245.06 - Step 5: Solve for x
x = 82,776,900,245.06/131,415.75 - Step 6: Final answer
x = 629,885.69
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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.