Finding the Third Proportional to 434 and 553
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Solution
The third proportional to 434 and 553 is: 704.63
Step by Step Solution
- Step 1: Write the proportion equation
434 : 553 = 553 : x - Step 2: Convert to fraction form
434/553 = 553/x - Step 3: Cross multiply
434x = 553 × 553 - Step 4: Simplify right side
434x = 305,809 - Step 5: Solve for x
x = 305,809/434 - Step 6: Final answer
x = 704.63
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These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.