Finding the Third Proportional to 992.25 and 1,102.50
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Solution
The third proportional to 992.25 and 1,102.50 is: 1,225
Step by Step Solution
- Step 1: Write the proportion equation
992.25 : 1,102.50 = 1,102.50 : x - Step 2: Convert to fraction form
992.25/1,102.50 = 1,102.50/x - Step 3: Cross multiply
992.25x = 1,102.50 × 1,102.50 - Step 4: Simplify right side
992.25x = 1,215,506.25 - Step 5: Solve for x
x = 1,215,506.25/992.25 - Step 6: Final answer
x = 1,225
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Why These Related Problems?
These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.