Finding the Third Proportional to 487,374 and 1,086,811
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Solution
The third proportional to 487,374 and 1,086,811 is: 2,423,514.90
Step by Step Solution
- Step 1: Write the proportion equation
487,374 : 1,086,811 = 1,086,811 : x - Step 2: Convert to fraction form
487,374/1,086,811 = 1,086,811/x - Step 3: Cross multiply
487,374x = 1,086,811 × 1,086,811 - Step 4: Simplify right side
487,374x = 1,181,158,149,721 - Step 5: Solve for x
x = 1,181,158,149,721/487,374 - Step 6: Final answer
x = 2,423,514.90
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Why These Related Problems?
These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.