Finding the Third Proportional to 559 and 611
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Solution
The third proportional to 559 and 611 is: 667.84
Step by Step Solution
- Step 1: Write the proportion equation
559 : 611 = 611 : x - Step 2: Convert to fraction form
559/611 = 611/x - Step 3: Cross multiply
559x = 611 × 611 - Step 4: Simplify right side
559x = 373,321 - Step 5: Solve for x
x = 373,321/559 - Step 6: Final answer
x = 667.84
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Why These Related Problems?
These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.