Finding the Third Proportional to 166,657.50 and 258,126.75
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Solution
The third proportional to 166,657.50 and 258,126.75 is: 399,798.50
Step by Step Solution
- Step 1: Write the proportion equation
166,657.50 : 258,126.75 = 258,126.75 : x - Step 2: Convert to fraction form
166,657.50/258,126.75 = 258,126.75/x - Step 3: Cross multiply
166,657.50x = 258,126.75 × 258,126.75 - Step 4: Simplify right side
166,657.50x = 66,629,419,065.56 - Step 5: Solve for x
x = 66,629,419,065.56/166,657.50 - Step 6: Final answer
x = 399,798.50
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.