Finding the Third Proportional to 61,122.09 and 129,602.53
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Solution
The third proportional to 61,122.09 and 129,602.53 is: 274,807.60
Step by Step Solution
- Step 1: Write the proportion equation
61,122.09 : 129,602.53 = 129,602.53 : x - Step 2: Convert to fraction form
61,122.09/129,602.53 = 129,602.53/x - Step 3: Cross multiply
61,122.09x = 129,602.53 × 129,602.53 - Step 4: Simplify right side
61,122.09x = 16,796,816,106.41 - Step 5: Solve for x
x = 16,796,816,106.41/61,122.09 - Step 6: Final answer
x = 274,807.60
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.