Finding the Third Proportional to 984.50 and 1,415
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Solution
The third proportional to 984.50 and 1,415 is: 2,033.75
Step by Step Solution
- Step 1: Write the proportion equation
984.50 : 1,415 = 1,415 : x - Step 2: Convert to fraction form
984.50/1,415 = 1,415/x - Step 3: Cross multiply
984.50x = 1,415 × 1,415 - Step 4: Simplify right side
984.50x = 2,002,225 - Step 5: Solve for x
x = 2,002,225/984.50 - Step 6: Final answer
x = 2,033.75
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.