Finding the Third Proportional to 68,800.25 and 91,743.75
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Solution
The third proportional to 68,800.25 and 91,743.75 is: 122,338.45
Step by Step Solution
- Step 1: Write the proportion equation
68,800.25 : 91,743.75 = 91,743.75 : x - Step 2: Convert to fraction form
68,800.25/91,743.75 = 91,743.75/x - Step 3: Cross multiply
68,800.25x = 91,743.75 × 91,743.75 - Step 4: Simplify right side
68,800.25x = 8,416,915,664.06 - Step 5: Solve for x
x = 8,416,915,664.06/68,800.25 - Step 6: Final answer
x = 122,338.45
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.