Finding the Third Proportional to 853,220 and 1,285,230
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Solution
The third proportional to 853,220 and 1,285,230 is: 1,935,979.18
Step by Step Solution
- Step 1: Write the proportion equation
853,220 : 1,285,230 = 1,285,230 : x - Step 2: Convert to fraction form
853,220/1,285,230 = 1,285,230/x - Step 3: Cross multiply
853,220x = 1,285,230 × 1,285,230 - Step 4: Simplify right side
853,220x = 1,651,816,152,900 - Step 5: Solve for x
x = 1,651,816,152,900/853,220 - Step 6: Final answer
x = 1,935,979.18
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.