Finding the Third Proportional to 890,427.94 and 1,380,555.14
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Solution
The third proportional to 890,427.94 and 1,380,555.14 is: 2,140,467.99
Step by Step Solution
- Step 1: Write the proportion equation
890,427.94 : 1,380,555.14 = 1,380,555.14 : x - Step 2: Convert to fraction form
890,427.94/1,380,555.14 = 1,380,555.14/x - Step 3: Cross multiply
890,427.94x = 1,380,555.14 × 1,380,555.14 - Step 4: Simplify right side
890,427.94x = 1,905,932,496,306.11 - Step 5: Solve for x
x = 1,905,932,496,306.11/890,427.94 - Step 6: Final answer
x = 2,140,467.99
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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.