Finding the Third Proportional to 839,372 and 1,812,760
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Solution
The third proportional to 839,372 and 1,812,760 is: 3,914,949.29
Step by Step Solution
- Step 1: Write the proportion equation
839,372 : 1,812,760 = 1,812,760 : x - Step 2: Convert to fraction form
839,372/1,812,760 = 1,812,760/x - Step 3: Cross multiply
839,372x = 1,812,760 × 1,812,760 - Step 4: Simplify right side
839,372x = 3,286,098,817,600 - Step 5: Solve for x
x = 3,286,098,817,600/839,372 - Step 6: Final answer
x = 3,914,949.29
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.