Finding the Third Proportional to 66,106.13 and 135,732.38
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Solution
The third proportional to 66,106.13 and 135,732.38 is: 278,692.45
Step by Step Solution
- Step 1: Write the proportion equation
66,106.13 : 135,732.38 = 135,732.38 : x - Step 2: Convert to fraction form
66,106.13/135,732.38 = 135,732.38/x - Step 3: Cross multiply
66,106.13x = 135,732.38 × 135,732.38 - Step 4: Simplify right side
66,106.13x = 18,423,277,623.14 - Step 5: Solve for x
x = 18,423,277,623.14/66,106.13 - Step 6: Final answer
x = 278,692.45
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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.