Finding the Third Proportional to 68,986.50 and 106,861.50
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Solution
The third proportional to 68,986.50 and 106,861.50 is: 165,530.65
Step by Step Solution
- Step 1: Write the proportion equation
68,986.50 : 106,861.50 = 106,861.50 : x - Step 2: Convert to fraction form
68,986.50/106,861.50 = 106,861.50/x - Step 3: Cross multiply
68,986.50x = 106,861.50 × 106,861.50 - Step 4: Simplify right side
68,986.50x = 11,419,380,182.25 - Step 5: Solve for x
x = 11,419,380,182.25/68,986.50 - Step 6: Final answer
x = 165,530.65
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.