Finding the Third Proportional to 905,420 and 1,918,773
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Solution
The third proportional to 905,420 and 1,918,773 is: 4,066,278.44
Step by Step Solution
- Step 1: Write the proportion equation
905,420 : 1,918,773 = 1,918,773 : x - Step 2: Convert to fraction form
905,420/1,918,773 = 1,918,773/x - Step 3: Cross multiply
905,420x = 1,918,773 × 1,918,773 - Step 4: Simplify right side
905,420x = 3,681,689,825,529 - Step 5: Solve for x
x = 3,681,689,825,529/905,420 - Step 6: Final answer
x = 4,066,278.44
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.