Finding the Third Proportional to 629 and 1,180
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Solution
The third proportional to 629 and 1,180 is: 2,213.67
Step by Step Solution
- Step 1: Write the proportion equation
629 : 1,180 = 1,180 : x - Step 2: Convert to fraction form
629/1,180 = 1,180/x - Step 3: Cross multiply
629x = 1,180 × 1,180 - Step 4: Simplify right side
629x = 1,392,400 - Step 5: Solve for x
x = 1,392,400/629 - Step 6: Final answer
x = 2,213.67
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These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.