Finding the Third Proportional to 121,691.74 and 266,287.18
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Solution
The third proportional to 121,691.74 and 266,287.18 is: 582,692.49
Step by Step Solution
- Step 1: Write the proportion equation
121,691.74 : 266,287.18 = 266,287.18 : x - Step 2: Convert to fraction form
121,691.74/266,287.18 = 266,287.18/x - Step 3: Cross multiply
121,691.74x = 266,287.18 × 266,287.18 - Step 4: Simplify right side
121,691.74x = 70,908,864,146.29 - Step 5: Solve for x
x = 70,908,864,146.29/121,691.74 - Step 6: Final answer
x = 582,692.49
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.