Finding the Third Proportional to 436,428 and 658,530
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Solution
The third proportional to 436,428 and 658,530 is: 993,661.64
Step by Step Solution
- Step 1: Write the proportion equation
436,428 : 658,530 = 658,530 : x - Step 2: Convert to fraction form
436,428/658,530 = 658,530/x - Step 3: Cross multiply
436,428x = 658,530 × 658,530 - Step 4: Simplify right side
436,428x = 433,661,760,900 - Step 5: Solve for x
x = 433,661,760,900/436,428 - Step 6: Final answer
x = 993,661.64
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.