Finding the Third Proportional to 171,424.13 and 261,487.13
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Solution
The third proportional to 171,424.13 and 261,487.13 is: 398,867.53
Step by Step Solution
- Step 1: Write the proportion equation
171,424.13 : 261,487.13 = 261,487.13 : x - Step 2: Convert to fraction form
171,424.13/261,487.13 = 261,487.13/x - Step 3: Cross multiply
171,424.13x = 261,487.13 × 261,487.13 - Step 4: Simplify right side
171,424.13x = 68,375,516,540.77 - Step 5: Solve for x
x = 68,375,516,540.77/171,424.13 - Step 6: Final answer
x = 398,867.53
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.