Finding the Third Proportional to 1,399,979.63 and 2,991,868.13
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Solution
The third proportional to 1,399,979.63 and 2,991,868.13 is: 6,393,860.82
Step by Step Solution
- Step 1: Write the proportion equation
1,399,979.63 : 2,991,868.13 = 2,991,868.13 : x - Step 2: Convert to fraction form
1,399,979.63/2,991,868.13 = 2,991,868.13/x - Step 3: Cross multiply
1,399,979.63x = 2,991,868.13 × 2,991,868.13 - Step 4: Simplify right side
1,399,979.63x = 8,951,274,877,391.02 - Step 5: Solve for x
x = 8,951,274,877,391.02/1,399,979.63 - Step 6: Final answer
x = 6,393,860.82
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.