Finding the Third Proportional to 442,700,816 and 661,611,261
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Solution
The third proportional to 442,700,816 and 661,611,261 is: 988,770,394.95
Step by Step Solution
- Step 1: Write the proportion equation
442,700,816 : 661,611,261 = 661,611,261 : x - Step 2: Convert to fraction form
442,700,816/661,611,261 = 661,611,261/x - Step 3: Cross multiply
442,700,816x = 661,611,261 × 661,611,261 - Step 4: Simplify right side
442,700,816x = 437,729,460,682,010,112 - Step 5: Solve for x
x = 437,729,460,682,010,112/442,700,816 - Step 6: Final answer
x = 988,770,394.95
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.