Finding the Third Proportional to 455,827.50 and 982,287
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Solution
The third proportional to 455,827.50 and 982,287 is: 2,116,782.67
Step by Step Solution
- Step 1: Write the proportion equation
455,827.50 : 982,287 = 982,287 : x - Step 2: Convert to fraction form
455,827.50/982,287 = 982,287/x - Step 3: Cross multiply
455,827.50x = 982,287 × 982,287 - Step 4: Simplify right side
455,827.50x = 964,887,750,369 - Step 5: Solve for x
x = 964,887,750,369/455,827.50 - Step 6: Final answer
x = 2,116,782.67
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.