Finding the Third Proportional to 78,042 and 167,919.75
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Solution
The third proportional to 78,042 and 167,919.75 is: 361,305.99
Step by Step Solution
- Step 1: Write the proportion equation
78,042 : 167,919.75 = 167,919.75 : x - Step 2: Convert to fraction form
78,042/167,919.75 = 167,919.75/x - Step 3: Cross multiply
78,042x = 167,919.75 × 167,919.75 - Step 4: Simplify right side
78,042x = 28,197,042,440.06 - Step 5: Solve for x
x = 28,197,042,440.06/78,042 - Step 6: Final answer
x = 361,305.99
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.