Finding the Third Proportional to 775,744 and 1,645,392
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Solution
The third proportional to 775,744 and 1,645,392 is: 3,489,959.10
Step by Step Solution
- Step 1: Write the proportion equation
775,744 : 1,645,392 = 1,645,392 : x - Step 2: Convert to fraction form
775,744/1,645,392 = 1,645,392/x - Step 3: Cross multiply
775,744x = 1,645,392 × 1,645,392 - Step 4: Simplify right side
775,744x = 2,707,314,833,664 - Step 5: Solve for x
x = 2,707,314,833,664/775,744 - Step 6: Final answer
x = 3,489,959.10
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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.