Finding the Third Proportional to 305,757 and 648,516
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Solution
The third proportional to 305,757 and 648,516 is: 1,375,513.90
Step by Step Solution
- Step 1: Write the proportion equation
305,757 : 648,516 = 648,516 : x - Step 2: Convert to fraction form
305,757/648,516 = 648,516/x - Step 3: Cross multiply
305,757x = 648,516 × 648,516 - Step 4: Simplify right side
305,757x = 420,573,002,256 - Step 5: Solve for x
x = 420,573,002,256/305,757 - Step 6: Final answer
x = 1,375,513.90
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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.