Finding the Third Proportional to 812,984.50 and 1,207,689
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Solution
The third proportional to 812,984.50 and 1,207,689 is: 1,794,022.79
Step by Step Solution
- Step 1: Write the proportion equation
812,984.50 : 1,207,689 = 1,207,689 : x - Step 2: Convert to fraction form
812,984.50/1,207,689 = 1,207,689/x - Step 3: Cross multiply
812,984.50x = 1,207,689 × 1,207,689 - Step 4: Simplify right side
812,984.50x = 1,458,512,720,721 - Step 5: Solve for x
x = 1,458,512,720,721/812,984.50 - Step 6: Final answer
x = 1,794,022.79
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.