Finding the Third Proportional to 166,818 and 258,690
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Solution
The third proportional to 166,818 and 258,690 is: 401,158.84
Step by Step Solution
- Step 1: Write the proportion equation
166,818 : 258,690 = 258,690 : x - Step 2: Convert to fraction form
166,818/258,690 = 258,690/x - Step 3: Cross multiply
166,818x = 258,690 × 258,690 - Step 4: Simplify right side
166,818x = 66,920,516,100 - Step 5: Solve for x
x = 66,920,516,100/166,818 - Step 6: Final answer
x = 401,158.84
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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.