Finding the Third Proportional to 129,701.25 and 279,402.75
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Solution
The third proportional to 129,701.25 and 279,402.75 is: 601,890.09
Step by Step Solution
- Step 1: Write the proportion equation
129,701.25 : 279,402.75 = 279,402.75 : x - Step 2: Convert to fraction form
129,701.25/279,402.75 = 279,402.75/x - Step 3: Cross multiply
129,701.25x = 279,402.75 × 279,402.75 - Step 4: Simplify right side
129,701.25x = 78,065,896,707.56 - Step 5: Solve for x
x = 78,065,896,707.56/129,701.25 - Step 6: Final answer
x = 601,890.09
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.