Finding the Third Proportional to 31,770.75 and 68,771.75
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Solution
The third proportional to 31,770.75 and 68,771.75 is: 148,865.03
Step by Step Solution
- Step 1: Write the proportion equation
31,770.75 : 68,771.75 = 68,771.75 : x - Step 2: Convert to fraction form
31,770.75/68,771.75 = 68,771.75/x - Step 3: Cross multiply
31,770.75x = 68,771.75 × 68,771.75 - Step 4: Simplify right side
31,770.75x = 4,729,553,598.06 - Step 5: Solve for x
x = 4,729,553,598.06/31,770.75 - Step 6: Final answer
x = 148,865.03
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.