Finding the Third Proportional to 389,162.25 and 854,943.75
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Solution
The third proportional to 389,162.25 and 854,943.75 is: 1,878,210.99
Step by Step Solution
- Step 1: Write the proportion equation
389,162.25 : 854,943.75 = 854,943.75 : x - Step 2: Convert to fraction form
389,162.25/854,943.75 = 854,943.75/x - Step 3: Cross multiply
389,162.25x = 854,943.75 × 854,943.75 - Step 4: Simplify right side
389,162.25x = 730,928,815,664.06 - Step 5: Solve for x
x = 730,928,815,664.06/389,162.25 - Step 6: Final answer
x = 1,878,210.99
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.