Finding the Third Proportional to 43,212,486 and 66,888,979
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Solution
The third proportional to 43,212,486 and 66,888,979 is: 103,538,026.29
Step by Step Solution
- Step 1: Write the proportion equation
43,212,486 : 66,888,979 = 66,888,979 : x - Step 2: Convert to fraction form
43,212,486/66,888,979 = 66,888,979/x - Step 3: Cross multiply
43,212,486x = 66,888,979 × 66,888,979 - Step 4: Simplify right side
43,212,486x = 4,474,135,511,662,441 - Step 5: Solve for x
x = 4,474,135,511,662,441/43,212,486 - Step 6: Final answer
x = 103,538,026.29
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.