Finding the Third Proportional to 556,900 and 1,213,794
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Solution
The third proportional to 556,900 and 1,213,794 is: 2,645,530.39
Step by Step Solution
- Step 1: Write the proportion equation
556,900 : 1,213,794 = 1,213,794 : x - Step 2: Convert to fraction form
556,900/1,213,794 = 1,213,794/x - Step 3: Cross multiply
556,900x = 1,213,794 × 1,213,794 - Step 4: Simplify right side
556,900x = 1,473,295,874,436 - Step 5: Solve for x
x = 1,473,295,874,436/556,900 - Step 6: Final answer
x = 2,645,530.39
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.