Finding the Third Proportional to 916,995 and 1,992,102
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Solution
The third proportional to 916,995 and 1,992,102 is: 4,327,690.31
Step by Step Solution
- Step 1: Write the proportion equation
916,995 : 1,992,102 = 1,992,102 : x - Step 2: Convert to fraction form
916,995/1,992,102 = 1,992,102/x - Step 3: Cross multiply
916,995x = 1,992,102 × 1,992,102 - Step 4: Simplify right side
916,995x = 3,968,470,378,404 - Step 5: Solve for x
x = 3,968,470,378,404/916,995 - Step 6: Final answer
x = 4,327,690.31
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.