Finding the Third Proportional to 356 and 624
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Solution
The third proportional to 356 and 624 is: 1,093.75
Step by Step Solution
- Step 1: Write the proportion equation
356 : 624 = 624 : x - Step 2: Convert to fraction form
356/624 = 624/x - Step 3: Cross multiply
356x = 624 × 624 - Step 4: Simplify right side
356x = 389,376 - Step 5: Solve for x
x = 389,376/356 - Step 6: Final answer
x = 1,093.75
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Why These Related Problems?
These problems maintain the same ratio (1.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.