Finding the Third Proportional to 75.94 and 121.50
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Solution
The third proportional to 75.94 and 121.50 is: 194.40
Step by Step Solution
- Step 1: Write the proportion equation
75.94 : 121.50 = 121.50 : x - Step 2: Convert to fraction form
75.94/121.50 = 121.50/x - Step 3: Cross multiply
75.94x = 121.50 × 121.50 - Step 4: Simplify right side
75.94x = 14,762.25 - Step 5: Solve for x
x = 14,762.25/75.94 - Step 6: Final answer
x = 194.40
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Why These Related Problems?
These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.