Finding the Third Proportional to 938 and 1,954
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Solution
The third proportional to 938 and 1,954 is: 4,070.49
Step by Step Solution
- Step 1: Write the proportion equation
938 : 1,954 = 1,954 : x - Step 2: Convert to fraction form
938/1,954 = 1,954/x - Step 3: Cross multiply
938x = 1,954 × 1,954 - Step 4: Simplify right side
938x = 3,818,116 - Step 5: Solve for x
x = 3,818,116/938 - Step 6: Final answer
x = 4,070.49
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.