Finding the Third Proportional to 981.50 and 1,522.50
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Solution
The third proportional to 981.50 and 1,522.50 is: 2,361.70
Step by Step Solution
- Step 1: Write the proportion equation
981.50 : 1,522.50 = 1,522.50 : x - Step 2: Convert to fraction form
981.50/1,522.50 = 1,522.50/x - Step 3: Cross multiply
981.50x = 1,522.50 × 1,522.50 - Step 4: Simplify right side
981.50x = 2,318,006.25 - Step 5: Solve for x
x = 2,318,006.25/981.50 - Step 6: Final answer
x = 2,361.70
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.