Finding the Third Proportional to 212,424.75 and 434,688.75
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Solution
The third proportional to 212,424.75 and 434,688.75 is: 889,511.74
Step by Step Solution
- Step 1: Write the proportion equation
212,424.75 : 434,688.75 = 434,688.75 : x - Step 2: Convert to fraction form
212,424.75/434,688.75 = 434,688.75/x - Step 3: Cross multiply
212,424.75x = 434,688.75 × 434,688.75 - Step 4: Simplify right side
212,424.75x = 188,954,309,376.56 - Step 5: Solve for x
x = 188,954,309,376.56/212,424.75 - Step 6: Final answer
x = 889,511.74
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.