Finding the Third Proportional to 641,872.13 and 1,355,370.75
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Solution
The third proportional to 641,872.13 and 1,355,370.75 is: 2,861,987.30
Step by Step Solution
- Step 1: Write the proportion equation
641,872.13 : 1,355,370.75 = 1,355,370.75 : x - Step 2: Convert to fraction form
641,872.13/1,355,370.75 = 1,355,370.75/x - Step 3: Cross multiply
641,872.13x = 1,355,370.75 × 1,355,370.75 - Step 4: Simplify right side
641,872.13x = 1,837,029,869,955.56 - Step 5: Solve for x
x = 1,837,029,869,955.56/641,872.13 - Step 6: Final answer
x = 2,861,987.30
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These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.