Finding the Third Proportional to 938,638 and 1,921,016
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Solution
The third proportional to 938,638 and 1,921,016 is: 3,931,550.26
Step by Step Solution
- Step 1: Write the proportion equation
938,638 : 1,921,016 = 1,921,016 : x - Step 2: Convert to fraction form
938,638/1,921,016 = 1,921,016/x - Step 3: Cross multiply
938,638x = 1,921,016 × 1,921,016 - Step 4: Simplify right side
938,638x = 3,690,302,472,256 - Step 5: Solve for x
x = 3,690,302,472,256/938,638 - Step 6: Final answer
x = 3,931,550.26
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.