Finding the Third Proportional to 185,629 and 406,721
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Solution
The third proportional to 185,629 and 406,721 is: 891,142.93
Step by Step Solution
- Step 1: Write the proportion equation
185,629 : 406,721 = 406,721 : x - Step 2: Convert to fraction form
185,629/406,721 = 406,721/x - Step 3: Cross multiply
185,629x = 406,721 × 406,721 - Step 4: Simplify right side
185,629x = 165,421,971,841 - Step 5: Solve for x
x = 165,421,971,841/185,629 - Step 6: Final answer
x = 891,142.93
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.