Finding the Third Proportional to 43,212,474 and 66,888,963
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Solution
The third proportional to 43,212,474 and 66,888,963 is: 103,538,005.51
Step by Step Solution
- Step 1: Write the proportion equation
43,212,474 : 66,888,963 = 66,888,963 : x - Step 2: Convert to fraction form
43,212,474/66,888,963 = 66,888,963/x - Step 3: Cross multiply
43,212,474x = 66,888,963 × 66,888,963 - Step 4: Simplify right side
43,212,474x = 4,474,133,371,215,369 - Step 5: Solve for x
x = 4,474,133,371,215,369/43,212,474 - Step 6: Final answer
x = 103,538,005.51
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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.