Finding the Third Proportional to 55,779.75 and 121,713.75
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Solution
The third proportional to 55,779.75 and 121,713.75 is: 265,584.50
Step by Step Solution
- Step 1: Write the proportion equation
55,779.75 : 121,713.75 = 121,713.75 : x - Step 2: Convert to fraction form
55,779.75/121,713.75 = 121,713.75/x - Step 3: Cross multiply
55,779.75x = 121,713.75 × 121,713.75 - Step 4: Simplify right side
55,779.75x = 14,814,236,939.06 - Step 5: Solve for x
x = 14,814,236,939.06/55,779.75 - Step 6: Final answer
x = 265,584.50
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.