Finding the Third Proportional to 392,315.50 and 831,709.75
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Solution
The third proportional to 392,315.50 and 831,709.75 is: 1,763,226.56
Step by Step Solution
- Step 1: Write the proportion equation
392,315.50 : 831,709.75 = 831,709.75 : x - Step 2: Convert to fraction form
392,315.50/831,709.75 = 831,709.75/x - Step 3: Cross multiply
392,315.50x = 831,709.75 × 831,709.75 - Step 4: Simplify right side
392,315.50x = 691,741,108,245.06 - Step 5: Solve for x
x = 691,741,108,245.06/392,315.50 - Step 6: Final answer
x = 1,763,226.56
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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.