Finding the Third Proportional to 381,840.75 and 754,039.13
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Solution
The third proportional to 381,840.75 and 754,039.13 is: 1,489,036.99
Step by Step Solution
- Step 1: Write the proportion equation
381,840.75 : 754,039.13 = 754,039.13 : x - Step 2: Convert to fraction form
381,840.75/754,039.13 = 754,039.13/x - Step 3: Cross multiply
381,840.75x = 754,039.13 × 754,039.13 - Step 4: Simplify right side
381,840.75x = 568,575,002,030.77 - Step 5: Solve for x
x = 568,575,002,030.77/381,840.75 - Step 6: Final answer
x = 1,489,036.99
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These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.