Finding the Third Proportional to 378,387 and 831,525.75
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Solution
The third proportional to 378,387 and 831,525.75 is: 1,827,322.48
Step by Step Solution
- Step 1: Write the proportion equation
378,387 : 831,525.75 = 831,525.75 : x - Step 2: Convert to fraction form
378,387/831,525.75 = 831,525.75/x - Step 3: Cross multiply
378,387x = 831,525.75 × 831,525.75 - Step 4: Simplify right side
378,387x = 691,435,072,913.06 - Step 5: Solve for x
x = 691,435,072,913.06/378,387 - Step 6: Final answer
x = 1,827,322.48
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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.