Finding the Third Proportional to 981 and 1,525
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Solution
The third proportional to 981 and 1,525 is: 2,370.67
Step by Step Solution
- Step 1: Write the proportion equation
981 : 1,525 = 1,525 : x - Step 2: Convert to fraction form
981/1,525 = 1,525/x - Step 3: Cross multiply
981x = 1,525 × 1,525 - Step 4: Simplify right side
981x = 2,325,625 - Step 5: Solve for x
x = 2,325,625/981 - Step 6: Final answer
x = 2,370.67
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.