Finding the Third Proportional to 129,256.13 and 273,415.88
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Solution
The third proportional to 129,256.13 and 273,415.88 is: 578,357.43
Step by Step Solution
- Step 1: Write the proportion equation
129,256.13 : 273,415.88 = 273,415.88 : x - Step 2: Convert to fraction form
129,256.13/273,415.88 = 273,415.88/x - Step 3: Cross multiply
129,256.13x = 273,415.88 × 273,415.88 - Step 4: Simplify right side
129,256.13x = 74,756,240,702.02 - Step 5: Solve for x
x = 74,756,240,702.02/129,256.13 - Step 6: Final answer
x = 578,357.43
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.