Finding the Third Proportional to 643,119 and 996,822
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Solution
The third proportional to 643,119 and 996,822 is: 1,545,054.80
Step by Step Solution
- Step 1: Write the proportion equation
643,119 : 996,822 = 996,822 : x - Step 2: Convert to fraction form
643,119/996,822 = 996,822/x - Step 3: Cross multiply
643,119x = 996,822 × 996,822 - Step 4: Simplify right side
643,119x = 993,654,099,684 - Step 5: Solve for x
x = 993,654,099,684/643,119 - Step 6: Final answer
x = 1,545,054.80
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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.