Finding the Third Proportional to 280,472 and 617,036
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Solution
The third proportional to 280,472 and 617,036 is: 1,357,473.92
Step by Step Solution
- Step 1: Write the proportion equation
280,472 : 617,036 = 617,036 : x - Step 2: Convert to fraction form
280,472/617,036 = 617,036/x - Step 3: Cross multiply
280,472x = 617,036 × 617,036 - Step 4: Simplify right side
280,472x = 380,733,425,296 - Step 5: Solve for x
x = 380,733,425,296/280,472 - Step 6: Final answer
x = 1,357,473.92
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.