Finding the Third Proportional to 76,701 and 117,729.75
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Solution
The third proportional to 76,701 and 117,729.75 is: 180,705.52
Step by Step Solution
- Step 1: Write the proportion equation
76,701 : 117,729.75 = 117,729.75 : x - Step 2: Convert to fraction form
76,701/117,729.75 = 117,729.75/x - Step 3: Cross multiply
76,701x = 117,729.75 × 117,729.75 - Step 4: Simplify right side
76,701x = 13,860,294,035.06 - Step 5: Solve for x
x = 13,860,294,035.06/76,701 - Step 6: Final answer
x = 180,705.52
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.