Finding the Third Proportional to 419.50 and 935.50
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Solution
The third proportional to 419.50 and 935.50 is: 2,086.20
Step by Step Solution
- Step 1: Write the proportion equation
419.50 : 935.50 = 935.50 : x - Step 2: Convert to fraction form
419.50/935.50 = 935.50/x - Step 3: Cross multiply
419.50x = 935.50 × 935.50 - Step 4: Simplify right side
419.50x = 875,160.25 - Step 5: Solve for x
x = 875,160.25/419.50 - Step 6: Final answer
x = 2,086.20
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Why These Related Problems?
These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.