Finding the Third Proportional to 132,900.75 and 289,129.50
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Solution
The third proportional to 132,900.75 and 289,129.50 is: 629,009.75
Step by Step Solution
- Step 1: Write the proportion equation
132,900.75 : 289,129.50 = 289,129.50 : x - Step 2: Convert to fraction form
132,900.75/289,129.50 = 289,129.50/x - Step 3: Cross multiply
132,900.75x = 289,129.50 × 289,129.50 - Step 4: Simplify right side
132,900.75x = 83,595,867,770.25 - Step 5: Solve for x
x = 83,595,867,770.25/132,900.75 - Step 6: Final answer
x = 629,009.75
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.