Finding the Third Proportional to 178,658 and 378,500
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Solution
The third proportional to 178,658 and 378,500 is: 801,879.85
Step by Step Solution
- Step 1: Write the proportion equation
178,658 : 378,500 = 378,500 : x - Step 2: Convert to fraction form
178,658/378,500 = 378,500/x - Step 3: Cross multiply
178,658x = 378,500 × 378,500 - Step 4: Simplify right side
178,658x = 143,262,250,000 - Step 5: Solve for x
x = 143,262,250,000/178,658 - Step 6: Final answer
x = 801,879.85
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.