Finding the Third Proportional to 77,778 and 167,380.50
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Solution
The third proportional to 77,778 and 167,380.50 is: 360,207.67
Step by Step Solution
- Step 1: Write the proportion equation
77,778 : 167,380.50 = 167,380.50 : x - Step 2: Convert to fraction form
77,778/167,380.50 = 167,380.50/x - Step 3: Cross multiply
77,778x = 167,380.50 × 167,380.50 - Step 4: Simplify right side
77,778x = 28,016,231,780.25 - Step 5: Solve for x
x = 28,016,231,780.25/77,778 - Step 6: Final answer
x = 360,207.67
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.