Finding the Third Proportional to 321.05 and 508.99
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Solution
The third proportional to 321.05 and 508.99 is: 806.96
Step by Step Solution
- Step 1: Write the proportion equation
321.05 : 508.99 = 508.99 : x - Step 2: Convert to fraction form
321.05/508.99 = 508.99/x - Step 3: Cross multiply
321.05x = 508.99 × 508.99 - Step 4: Simplify right side
321.05x = 259,073.05 - Step 5: Solve for x
x = 259,073.05/321.05 - Step 6: Final answer
x = 806.96
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.