Finding the Third Proportional to 811,763 and 1,761,853
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Solution
The third proportional to 811,763 and 1,761,853 is: 3,823,931.36
Step by Step Solution
- Step 1: Write the proportion equation
811,763 : 1,761,853 = 1,761,853 : x - Step 2: Convert to fraction form
811,763/1,761,853 = 1,761,853/x - Step 3: Cross multiply
811,763x = 1,761,853 × 1,761,853 - Step 4: Simplify right side
811,763x = 3,104,125,993,609 - Step 5: Solve for x
x = 3,104,125,993,609/811,763 - Step 6: Final answer
x = 3,823,931.36
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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.