Finding the Third Proportional to 519 and 851.50
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Solution
The third proportional to 519 and 851.50 is: 1,397.02
Step by Step Solution
- Step 1: Write the proportion equation
519 : 851.50 = 851.50 : x - Step 2: Convert to fraction form
519/851.50 = 851.50/x - Step 3: Cross multiply
519x = 851.50 × 851.50 - Step 4: Simplify right side
519x = 725,052.25 - Step 5: Solve for x
x = 725,052.25/519 - Step 6: Final answer
x = 1,397.02
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Why These Related Problems?
These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.