Finding the Third Proportional to 778,079,872 and 1,680,392,548
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Solution
The third proportional to 778,079,872 and 1,680,392,548 is: 3,629,086,443.42
Step by Step Solution
- Step 1: Write the proportion equation
778,079,872 : 1,680,392,548 = 1,680,392,548 : x - Step 2: Convert to fraction form
778,079,872/1,680,392,548 = 1,680,392,548/x - Step 3: Cross multiply
778,079,872x = 1,680,392,548 × 1,680,392,548 - Step 4: Simplify right side
778,079,872x = 2,823,719,115,373,932,544 - Step 5: Solve for x
x = 2,823,719,115,373,932,544/778,079,872 - Step 6: Final answer
x = 3,629,086,443.42
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.