Finding the Third Proportional to 478 and 1,252
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Solution
The third proportional to 478 and 1,252 is: 3,279.30
Step by Step Solution
- Step 1: Write the proportion equation
478 : 1,252 = 1,252 : x - Step 2: Convert to fraction form
478/1,252 = 1,252/x - Step 3: Cross multiply
478x = 1,252 × 1,252 - Step 4: Simplify right side
478x = 1,567,504 - Step 5: Solve for x
x = 1,567,504/478 - Step 6: Final answer
x = 3,279.30
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These problems maintain the same ratio (2.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.