Finding the Third Proportional to 302,992 and 637,312
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Solution
The third proportional to 302,992 and 637,312 is: 1,340,519.17
Step by Step Solution
- Step 1: Write the proportion equation
302,992 : 637,312 = 637,312 : x - Step 2: Convert to fraction form
302,992/637,312 = 637,312/x - Step 3: Cross multiply
302,992x = 637,312 × 637,312 - Step 4: Simplify right side
302,992x = 406,166,585,344 - Step 5: Solve for x
x = 406,166,585,344/302,992 - Step 6: Final answer
x = 1,340,519.17
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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.