Finding the Third Proportional to 139,212 and 212,082
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Solution
The third proportional to 139,212 and 212,082 is: 323,095.53
Step by Step Solution
- Step 1: Write the proportion equation
139,212 : 212,082 = 212,082 : x - Step 2: Convert to fraction form
139,212/212,082 = 212,082/x - Step 3: Cross multiply
139,212x = 212,082 × 212,082 - Step 4: Simplify right side
139,212x = 44,978,774,724 - Step 5: Solve for x
x = 44,978,774,724/139,212 - Step 6: Final answer
x = 323,095.53
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.