Finding the Third Proportional to 300,866 and 640,370
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Solution
The third proportional to 300,866 and 640,370 is: 1,362,977.99
Step by Step Solution
- Step 1: Write the proportion equation
300,866 : 640,370 = 640,370 : x - Step 2: Convert to fraction form
300,866/640,370 = 640,370/x - Step 3: Cross multiply
300,866x = 640,370 × 640,370 - Step 4: Simplify right side
300,866x = 410,073,736,900 - Step 5: Solve for x
x = 410,073,736,900/300,866 - Step 6: Final answer
x = 1,362,977.99
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.