Finding the Third Proportional to 128,538 and 192,237.19
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Solution
The third proportional to 128,538 and 192,237.19 is: 287,503.59
Step by Step Solution
- Step 1: Write the proportion equation
128,538 : 192,237.19 = 192,237.19 : x - Step 2: Convert to fraction form
128,538/192,237.19 = 192,237.19/x - Step 3: Cross multiply
128,538x = 192,237.19 × 192,237.19 - Step 4: Simplify right side
128,538x = 36,955,136,257.91 - Step 5: Solve for x
x = 36,955,136,257.91/128,538 - Step 6: Final answer
x = 287,503.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.