Finding the Third Proportional to 73 and 137.50
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Solution
The third proportional to 73 and 137.50 is: 258.99
Step by Step Solution
- Step 1: Write the proportion equation
73 : 137.50 = 137.50 : x - Step 2: Convert to fraction form
73/137.50 = 137.50/x - Step 3: Cross multiply
73x = 137.50 × 137.50 - Step 4: Simplify right side
73x = 18,906.25 - Step 5: Solve for x
x = 18,906.25/73 - Step 6: Final answer
x = 258.99
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Why These Related Problems?
These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.