Finding the Third Proportional to 81,284.75 and 107,883.75
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Solution
The third proportional to 81,284.75 and 107,883.75 is: 143,186.80
Step by Step Solution
- Step 1: Write the proportion equation
81,284.75 : 107,883.75 = 107,883.75 : x - Step 2: Convert to fraction form
81,284.75/107,883.75 = 107,883.75/x - Step 3: Cross multiply
81,284.75x = 107,883.75 × 107,883.75 - Step 4: Simplify right side
81,284.75x = 11,638,903,514.06 - Step 5: Solve for x
x = 11,638,903,514.06/81,284.75 - Step 6: Final answer
x = 143,186.80
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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.