Finding the Third Proportional to 120,993.75 and 249,756.75
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Solution
The third proportional to 120,993.75 and 249,756.75 is: 515,550.88
Step by Step Solution
- Step 1: Write the proportion equation
120,993.75 : 249,756.75 = 249,756.75 : x - Step 2: Convert to fraction form
120,993.75/249,756.75 = 249,756.75/x - Step 3: Cross multiply
120,993.75x = 249,756.75 × 249,756.75 - Step 4: Simplify right side
120,993.75x = 62,378,434,170.56 - Step 5: Solve for x
x = 62,378,434,170.56/120,993.75 - Step 6: Final answer
x = 515,550.88
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.