Finding the Third Proportional to 420,350.63 and 669,183.75
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Solution
The third proportional to 420,350.63 and 669,183.75 is: 1,065,317.53
Step by Step Solution
- Step 1: Write the proportion equation
420,350.63 : 669,183.75 = 669,183.75 : x - Step 2: Convert to fraction form
420,350.63/669,183.75 = 669,183.75/x - Step 3: Cross multiply
420,350.63x = 669,183.75 × 669,183.75 - Step 4: Simplify right side
420,350.63x = 447,806,891,264.06 - Step 5: Solve for x
x = 447,806,891,264.06/420,350.63 - Step 6: Final answer
x = 1,065,317.53
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.