Finding the Third Proportional to 68,115.38 and 148,491.75
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Solution
The third proportional to 68,115.38 and 148,491.75 is: 323,712.52
Step by Step Solution
- Step 1: Write the proportion equation
68,115.38 : 148,491.75 = 148,491.75 : x - Step 2: Convert to fraction form
68,115.38/148,491.75 = 148,491.75/x - Step 3: Cross multiply
68,115.38x = 148,491.75 × 148,491.75 - Step 4: Simplify right side
68,115.38x = 22,049,799,818.06 - Step 5: Solve for x
x = 22,049,799,818.06/68,115.38 - Step 6: Final answer
x = 323,712.52
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.