Finding the Third Proportional to 389,716.25 and 837,447.75
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Solution
The third proportional to 389,716.25 and 837,447.75 is: 1,799,562.46
Step by Step Solution
- Step 1: Write the proportion equation
389,716.25 : 837,447.75 = 837,447.75 : x - Step 2: Convert to fraction form
389,716.25/837,447.75 = 837,447.75/x - Step 3: Cross multiply
389,716.25x = 837,447.75 × 837,447.75 - Step 4: Simplify right side
389,716.25x = 701,318,733,980.06 - Step 5: Solve for x
x = 701,318,733,980.06/389,716.25 - Step 6: Final answer
x = 1,799,562.46
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.