Finding the Third Proportional to 7,891,366 and 16,957,560
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Solution
The third proportional to 7,891,366 and 16,957,560 is: 36,439,678.65
Step by Step Solution
- Step 1: Write the proportion equation
7,891,366 : 16,957,560 = 16,957,560 : x - Step 2: Convert to fraction form
7,891,366/16,957,560 = 16,957,560/x - Step 3: Cross multiply
7,891,366x = 16,957,560 × 16,957,560 - Step 4: Simplify right side
7,891,366x = 287,558,841,153,600 - Step 5: Solve for x
x = 287,558,841,153,600/7,891,366 - Step 6: Final answer
x = 36,439,678.65
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.