Finding the Third Proportional to 890,503.88 and 1,379,738.81
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Solution
The third proportional to 890,503.88 and 1,379,738.81 is: 2,137,755.09
Step by Step Solution
- Step 1: Write the proportion equation
890,503.88 : 1,379,738.81 = 1,379,738.81 : x - Step 2: Convert to fraction form
890,503.88/1,379,738.81 = 1,379,738.81/x - Step 3: Cross multiply
890,503.88x = 1,379,738.81 × 1,379,738.81 - Step 4: Simplify right side
890,503.88x = 1,903,679,190,718.91 - Step 5: Solve for x
x = 1,903,679,190,718.91/890,503.88 - Step 6: Final answer
x = 2,137,755.09
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.