Finding the Third Proportional to 361.50 and 787.50
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Solution
The third proportional to 361.50 and 787.50 is: 1,715.51
Step by Step Solution
- Step 1: Write the proportion equation
361.50 : 787.50 = 787.50 : x - Step 2: Convert to fraction form
361.50/787.50 = 787.50/x - Step 3: Cross multiply
361.50x = 787.50 × 787.50 - Step 4: Simplify right side
361.50x = 620,156.25 - Step 5: Solve for x
x = 620,156.25/361.50 - Step 6: Final answer
x = 1,715.51
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.