Finding the Third Proportional to 270,694.50 and 378,435.75
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Solution
The third proportional to 270,694.50 and 378,435.75 is: 529,059.94
Step by Step Solution
- Step 1: Write the proportion equation
270,694.50 : 378,435.75 = 378,435.75 : x - Step 2: Convert to fraction form
270,694.50/378,435.75 = 378,435.75/x - Step 3: Cross multiply
270,694.50x = 378,435.75 × 378,435.75 - Step 4: Simplify right side
270,694.50x = 143,213,616,878.06 - Step 5: Solve for x
x = 143,213,616,878.06/270,694.50 - Step 6: Final answer
x = 529,059.94
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.