Finding the Third Proportional to 43.25 and 117.50
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Solution
The third proportional to 43.25 and 117.50 is: 319.22
Step by Step Solution
- Step 1: Write the proportion equation
43.25 : 117.50 = 117.50 : x - Step 2: Convert to fraction form
43.25/117.50 = 117.50/x - Step 3: Cross multiply
43.25x = 117.50 × 117.50 - Step 4: Simplify right side
43.25x = 13,806.25 - Step 5: Solve for x
x = 13,806.25/43.25 - Step 6: Final answer
x = 319.22
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Why These Related Problems?
These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.