Finding the Third Proportional to 311,699.50 and 673,221.50
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Solution
The third proportional to 311,699.50 and 673,221.50 is: 1,454,051.70
Step by Step Solution
- Step 1: Write the proportion equation
311,699.50 : 673,221.50 = 673,221.50 : x - Step 2: Convert to fraction form
311,699.50/673,221.50 = 673,221.50/x - Step 3: Cross multiply
311,699.50x = 673,221.50 × 673,221.50 - Step 4: Simplify right side
311,699.50x = 453,227,188,062.25 - Step 5: Solve for x
x = 453,227,188,062.25/311,699.50 - Step 6: Final answer
x = 1,454,051.70
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.