Finding the Third Proportional to 68,469.75 and 138,822.75
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Solution
The third proportional to 68,469.75 and 138,822.75 is: 281,463.80
Step by Step Solution
- Step 1: Write the proportion equation
68,469.75 : 138,822.75 = 138,822.75 : x - Step 2: Convert to fraction form
68,469.75/138,822.75 = 138,822.75/x - Step 3: Cross multiply
68,469.75x = 138,822.75 × 138,822.75 - Step 4: Simplify right side
68,469.75x = 19,271,755,917.56 - Step 5: Solve for x
x = 19,271,755,917.56/68,469.75 - Step 6: Final answer
x = 281,463.80
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These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.