Finding the Third Proportional to 389,149.31 and 844,728.75
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Solution
The third proportional to 389,149.31 and 844,728.75 is: 1,833,657.77
Step by Step Solution
- Step 1: Write the proportion equation
389,149.31 : 844,728.75 = 844,728.75 : x - Step 2: Convert to fraction form
389,149.31/844,728.75 = 844,728.75/x - Step 3: Cross multiply
389,149.31x = 844,728.75 × 844,728.75 - Step 4: Simplify right side
389,149.31x = 713,566,661,076.56 - Step 5: Solve for x
x = 713,566,661,076.56/389,149.31 - Step 6: Final answer
x = 1,833,657.77
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.