Finding the Third Proportional to 145,201.50 and 311,421.75
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Solution
The third proportional to 145,201.50 and 311,421.75 is: 667,923.58
Step by Step Solution
- Step 1: Write the proportion equation
145,201.50 : 311,421.75 = 311,421.75 : x - Step 2: Convert to fraction form
145,201.50/311,421.75 = 311,421.75/x - Step 3: Cross multiply
145,201.50x = 311,421.75 × 311,421.75 - Step 4: Simplify right side
145,201.50x = 96,983,506,373.06 - Step 5: Solve for x
x = 96,983,506,373.06/145,201.50 - Step 6: Final answer
x = 667,923.58
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.