Finding the Third Proportional to 313 and 443
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Solution
The third proportional to 313 and 443 is: 626.99
Step by Step Solution
- Step 1: Write the proportion equation
313 : 443 = 443 : x - Step 2: Convert to fraction form
313/443 = 443/x - Step 3: Cross multiply
313x = 443 × 443 - Step 4: Simplify right side
313x = 196,249 - Step 5: Solve for x
x = 196,249/313 - Step 6: Final answer
x = 626.99
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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.