Finding the Third Proportional to 180,135.75 and 276,309
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Solution
The third proportional to 180,135.75 and 276,309 is: 423,828.49
Step by Step Solution
- Step 1: Write the proportion equation
180,135.75 : 276,309 = 276,309 : x - Step 2: Convert to fraction form
180,135.75/276,309 = 276,309/x - Step 3: Cross multiply
180,135.75x = 276,309 × 276,309 - Step 4: Simplify right side
180,135.75x = 76,346,663,481 - Step 5: Solve for x
x = 76,346,663,481/180,135.75 - Step 6: Final answer
x = 423,828.49
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.