Finding the Third Proportional to 120,206.63 and 190,344.19
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Solution
The third proportional to 120,206.63 and 190,344.19 is: 301,405.27
Step by Step Solution
- Step 1: Write the proportion equation
120,206.63 : 190,344.19 = 190,344.19 : x - Step 2: Convert to fraction form
120,206.63/190,344.19 = 190,344.19/x - Step 3: Cross multiply
120,206.63x = 190,344.19 × 190,344.19 - Step 4: Simplify right side
120,206.63x = 36,230,909,715.04 - Step 5: Solve for x
x = 36,230,909,715.04/120,206.63 - Step 6: Final answer
x = 301,405.27
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.