Finding the Third Proportional to 180,042.75 and 392,485.50
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Solution
The third proportional to 180,042.75 and 392,485.50 is: 855,601.62
Step by Step Solution
- Step 1: Write the proportion equation
180,042.75 : 392,485.50 = 392,485.50 : x - Step 2: Convert to fraction form
180,042.75/392,485.50 = 392,485.50/x - Step 3: Cross multiply
180,042.75x = 392,485.50 × 392,485.50 - Step 4: Simplify right side
180,042.75x = 154,044,867,710.25 - Step 5: Solve for x
x = 154,044,867,710.25/180,042.75 - Step 6: Final answer
x = 855,601.62
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.