Finding the Third Proportional to 637,720 and 1,399,841
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Solution
The third proportional to 637,720 and 1,399,841 is: 3,072,751.09
Step by Step Solution
- Step 1: Write the proportion equation
637,720 : 1,399,841 = 1,399,841 : x - Step 2: Convert to fraction form
637,720/1,399,841 = 1,399,841/x - Step 3: Cross multiply
637,720x = 1,399,841 × 1,399,841 - Step 4: Simplify right side
637,720x = 1,959,554,825,281 - Step 5: Solve for x
x = 1,959,554,825,281/637,720 - Step 6: Final answer
x = 3,072,751.09
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.