Finding the Third Proportional to 319 and 539
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Solution
The third proportional to 319 and 539 is: 910.72
Step by Step Solution
- Step 1: Write the proportion equation
319 : 539 = 539 : x - Step 2: Convert to fraction form
319/539 = 539/x - Step 3: Cross multiply
319x = 539 × 539 - Step 4: Simplify right side
319x = 290,521 - Step 5: Solve for x
x = 290,521/319 - Step 6: Final answer
x = 910.72
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Why These Related Problems?
These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.