Finding the Third Proportional to 66,106.88 and 135,733.88
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Solution
The third proportional to 66,106.88 and 135,733.88 is: 278,695.44
Step by Step Solution
- Step 1: Write the proportion equation
66,106.88 : 135,733.88 = 135,733.88 : x - Step 2: Convert to fraction form
66,106.88/135,733.88 = 135,733.88/x - Step 3: Cross multiply
66,106.88x = 135,733.88 × 135,733.88 - Step 4: Simplify right side
66,106.88x = 18,423,684,822.52 - Step 5: Solve for x
x = 18,423,684,822.52/66,106.88 - Step 6: Final answer
x = 278,695.44
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.