Finding the Third Proportional to 155,931.50 and 328,163.50
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Solution
The third proportional to 155,931.50 and 328,163.50 is: 690,631.99
Step by Step Solution
- Step 1: Write the proportion equation
155,931.50 : 328,163.50 = 328,163.50 : x - Step 2: Convert to fraction form
155,931.50/328,163.50 = 328,163.50/x - Step 3: Cross multiply
155,931.50x = 328,163.50 × 328,163.50 - Step 4: Simplify right side
155,931.50x = 107,691,282,732.25 - Step 5: Solve for x
x = 107,691,282,732.25/155,931.50 - Step 6: Final answer
x = 690,631.99
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.