Finding the Third Proportional to 84,216.75 and 127,202.50
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Solution
The third proportional to 84,216.75 and 127,202.50 is: 192,128.95
Step by Step Solution
- Step 1: Write the proportion equation
84,216.75 : 127,202.50 = 127,202.50 : x - Step 2: Convert to fraction form
84,216.75/127,202.50 = 127,202.50/x - Step 3: Cross multiply
84,216.75x = 127,202.50 × 127,202.50 - Step 4: Simplify right side
84,216.75x = 16,180,476,006.25 - Step 5: Solve for x
x = 16,180,476,006.25/84,216.75 - Step 6: Final answer
x = 192,128.95
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.