Finding the Third Proportional to 61,122.09 and 128,896.31
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Solution
The third proportional to 61,122.09 and 128,896.31 is: 271,820.85
Step by Step Solution
- Step 1: Write the proportion equation
61,122.09 : 128,896.31 = 128,896.31 : x - Step 2: Convert to fraction form
61,122.09/128,896.31 = 128,896.31/x - Step 3: Cross multiply
61,122.09x = 128,896.31 × 128,896.31 - Step 4: Simplify right side
61,122.09x = 16,614,259,376.10 - Step 5: Solve for x
x = 16,614,259,376.10/61,122.09 - Step 6: Final answer
x = 271,820.85
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.