Finding the Third Proportional to 343 and 393.50
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Solution
The third proportional to 343 and 393.50 is: 451.44
Step by Step Solution
- Step 1: Write the proportion equation
343 : 393.50 = 393.50 : x - Step 2: Convert to fraction form
343/393.50 = 393.50/x - Step 3: Cross multiply
343x = 393.50 × 393.50 - Step 4: Simplify right side
343x = 154,842.25 - Step 5: Solve for x
x = 154,842.25/343 - Step 6: Final answer
x = 451.44
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These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.