Finding the Third Proportional to 857,928 and 1,829,853
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Solution
The third proportional to 857,928 and 1,829,853 is: 3,902,847.33
Step by Step Solution
- Step 1: Write the proportion equation
857,928 : 1,829,853 = 1,829,853 : x - Step 2: Convert to fraction form
857,928/1,829,853 = 1,829,853/x - Step 3: Cross multiply
857,928x = 1,829,853 × 1,829,853 - Step 4: Simplify right side
857,928x = 3,348,362,001,609 - Step 5: Solve for x
x = 3,348,362,001,609/857,928 - Step 6: Final answer
x = 3,902,847.33
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.