Finding the Third Proportional to 311,365.13 and 669,669.75
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Solution
The third proportional to 311,365.13 and 669,669.75 is: 1,440,294.81
Step by Step Solution
- Step 1: Write the proportion equation
311,365.13 : 669,669.75 = 669,669.75 : x - Step 2: Convert to fraction form
311,365.13/669,669.75 = 669,669.75/x - Step 3: Cross multiply
311,365.13x = 669,669.75 × 669,669.75 - Step 4: Simplify right side
311,365.13x = 448,457,574,065.06 - Step 5: Solve for x
x = 448,457,574,065.06/311,365.13 - Step 6: Final answer
x = 1,440,294.81
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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.