Finding the Third Proportional to 489,236.20 and 991,617.19
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Solution
The third proportional to 489,236.20 and 991,617.19 is: 2,009,877.11
Step by Step Solution
- Step 1: Write the proportion equation
489,236.20 : 991,617.19 = 991,617.19 : x - Step 2: Convert to fraction form
489,236.20/991,617.19 = 991,617.19/x - Step 3: Cross multiply
489,236.20x = 991,617.19 × 991,617.19 - Step 4: Simplify right side
489,236.20x = 983,304,646,545.41 - Step 5: Solve for x
x = 983,304,646,545.41/489,236.20 - Step 6: Final answer
x = 2,009,877.11
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Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.