Finding the Third Proportional to 64,378.75 and 86,631.75
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Solution
The third proportional to 64,378.75 and 86,631.75 is: 116,576.67
Step by Step Solution
- Step 1: Write the proportion equation
64,378.75 : 86,631.75 = 86,631.75 : x - Step 2: Convert to fraction form
64,378.75/86,631.75 = 86,631.75/x - Step 3: Cross multiply
64,378.75x = 86,631.75 × 86,631.75 - Step 4: Simplify right side
64,378.75x = 7,505,060,108.06 - Step 5: Solve for x
x = 7,505,060,108.06/64,378.75 - Step 6: Final answer
x = 116,576.67
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.