Finding the Third Proportional to 18,707 and 31,175
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Solution
The third proportional to 18,707 and 31,175 is: 51,952.78
Step by Step Solution
- Step 1: Write the proportion equation
18,707 : 31,175 = 31,175 : x - Step 2: Convert to fraction form
18,707/31,175 = 31,175/x - Step 3: Cross multiply
18,707x = 31,175 × 31,175 - Step 4: Simplify right side
18,707x = 971,880,625 - Step 5: Solve for x
x = 971,880,625/18,707 - Step 6: Final answer
x = 51,952.78
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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.