Finding the Third Proportional to 311,020,729.88 and 668,197,775.75
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Solution
The third proportional to 311,020,729.88 and 668,197,775.75 is: 1,435,557,905.41
Step by Step Solution
- Step 1: Write the proportion equation
311,020,729.88 : 668,197,775.75 = 668,197,775.75 : x - Step 2: Convert to fraction form
311,020,729.88/668,197,775.75 = 668,197,775.75/x - Step 3: Cross multiply
311,020,729.88x = 668,197,775.75 × 668,197,775.75 - Step 4: Simplify right side
311,020,729.88x = 446,488,267,517,247,296 - Step 5: Solve for x
x = 446,488,267,517,247,296/311,020,729.88 - Step 6: Final answer
x = 1,435,557,905.41
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.