Finding the Third Proportional to 453 and 1,191
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Solution
The third proportional to 453 and 1,191 is: 3,131.30
Step by Step Solution
- Step 1: Write the proportion equation
453 : 1,191 = 1,191 : x - Step 2: Convert to fraction form
453/1,191 = 1,191/x - Step 3: Cross multiply
453x = 1,191 × 1,191 - Step 4: Simplify right side
453x = 1,418,481 - Step 5: Solve for x
x = 1,418,481/453 - Step 6: Final answer
x = 3,131.30
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Why These Related Problems?
These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.