Finding the Third Proportional to 643,863.75 and 996,042.75
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Solution
The third proportional to 643,863.75 and 996,042.75 is: 1,540,855.75
Step by Step Solution
- Step 1: Write the proportion equation
643,863.75 : 996,042.75 = 996,042.75 : x - Step 2: Convert to fraction form
643,863.75/996,042.75 = 996,042.75/x - Step 3: Cross multiply
643,863.75x = 996,042.75 × 996,042.75 - Step 4: Simplify right side
643,863.75x = 992,101,159,827.56 - Step 5: Solve for x
x = 992,101,159,827.56/643,863.75 - Step 6: Final answer
x = 1,540,855.75
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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.