Finding the Third Proportional to 1,790 and 4,338
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Solution
The third proportional to 1,790 and 4,338 is: 10,512.99
Step by Step Solution
- Step 1: Write the proportion equation
1,790 : 4,338 = 4,338 : x - Step 2: Convert to fraction form
1,790/4,338 = 4,338/x - Step 3: Cross multiply
1,790x = 4,338 × 4,338 - Step 4: Simplify right side
1,790x = 18,818,244 - Step 5: Solve for x
x = 18,818,244/1,790 - Step 6: Final answer
x = 10,512.99
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These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.