Finding the Third Proportional to 453 and 491
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Solution
The third proportional to 453 and 491 is: 532.19
Step by Step Solution
- Step 1: Write the proportion equation
453 : 491 = 491 : x - Step 2: Convert to fraction form
453/491 = 491/x - Step 3: Cross multiply
453x = 491 × 491 - Step 4: Simplify right side
453x = 241,081 - Step 5: Solve for x
x = 241,081/453 - Step 6: Final answer
x = 532.19
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Why These Related Problems?
These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.