Finding the Third Proportional to 128,276.06 and 201,226.13
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Solution
The third proportional to 128,276.06 and 201,226.13 is: 315,662.58
Step by Step Solution
- Step 1: Write the proportion equation
128,276.06 : 201,226.13 = 201,226.13 : x - Step 2: Convert to fraction form
128,276.06/201,226.13 = 201,226.13/x - Step 3: Cross multiply
128,276.06x = 201,226.13 × 201,226.13 - Step 4: Simplify right side
128,276.06x = 40,491,953,382.52 - Step 5: Solve for x
x = 40,491,953,382.52/128,276.06 - Step 6: Final answer
x = 315,662.58
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.