Finding the Third Proportional to 76,777.50 and 117,597.75
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Solution
The third proportional to 76,777.50 and 117,597.75 is: 180,120.88
Step by Step Solution
- Step 1: Write the proportion equation
76,777.50 : 117,597.75 = 117,597.75 : x - Step 2: Convert to fraction form
76,777.50/117,597.75 = 117,597.75/x - Step 3: Cross multiply
76,777.50x = 117,597.75 × 117,597.75 - Step 4: Simplify right side
76,777.50x = 13,829,230,805.06 - Step 5: Solve for x
x = 13,829,230,805.06/76,777.50 - Step 6: Final answer
x = 180,120.88
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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.