Finding the Third Proportional to 121,234.31 and 263,453.81
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Solution
The third proportional to 121,234.31 and 263,453.81 is: 572,510.45
Step by Step Solution
- Step 1: Write the proportion equation
121,234.31 : 263,453.81 = 263,453.81 : x - Step 2: Convert to fraction form
121,234.31/263,453.81 = 263,453.81/x - Step 3: Cross multiply
121,234.31x = 263,453.81 × 263,453.81 - Step 4: Simplify right side
121,234.31x = 69,407,911,320.79 - Step 5: Solve for x
x = 69,407,911,320.79/121,234.31 - Step 6: Final answer
x = 572,510.45
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.