Finding the Third Proportional to 61,992.84 and 129,349.41
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Solution
The third proportional to 61,992.84 and 129,349.41 is: 269,890.33
Step by Step Solution
- Step 1: Write the proportion equation
61,992.84 : 129,349.41 = 129,349.41 : x - Step 2: Convert to fraction form
61,992.84/129,349.41 = 129,349.41/x - Step 3: Cross multiply
61,992.84x = 129,349.41 × 129,349.41 - Step 4: Simplify right side
61,992.84x = 16,731,268,897.23 - Step 5: Solve for x
x = 16,731,268,897.23/61,992.84 - Step 6: Final answer
x = 269,890.33
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.