Finding the Third Proportional to 431,349 and 907,314
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Solution
The third proportional to 431,349 and 907,314 is: 1,908,474.80
Step by Step Solution
- Step 1: Write the proportion equation
431,349 : 907,314 = 907,314 : x - Step 2: Convert to fraction form
431,349/907,314 = 907,314/x - Step 3: Cross multiply
431,349x = 907,314 × 907,314 - Step 4: Simplify right side
431,349x = 823,218,694,596 - Step 5: Solve for x
x = 823,218,694,596/431,349 - Step 6: Final answer
x = 1,908,474.80
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.