Finding the Third Proportional to 419.38 and 850
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Solution
The third proportional to 419.38 and 850 is: 1,722.80
Step by Step Solution
- Step 1: Write the proportion equation
419.38 : 850 = 850 : x - Step 2: Convert to fraction form
419.38/850 = 850/x - Step 3: Cross multiply
419.38x = 850 × 850 - Step 4: Simplify right side
419.38x = 722,500 - Step 5: Solve for x
x = 722,500/419.38 - Step 6: Final answer
x = 1,722.80
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These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.