Finding the Third Proportional to 392,328.25 and 831,742.75
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Solution
The third proportional to 392,328.25 and 831,742.75 is: 1,763,309.17
Step by Step Solution
- Step 1: Write the proportion equation
392,328.25 : 831,742.75 = 831,742.75 : x - Step 2: Convert to fraction form
392,328.25/831,742.75 = 831,742.75/x - Step 3: Cross multiply
392,328.25x = 831,742.75 × 831,742.75 - Step 4: Simplify right side
392,328.25x = 691,796,002,177.56 - Step 5: Solve for x
x = 691,796,002,177.56/392,328.25 - Step 6: Final answer
x = 1,763,309.17
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.