Finding the Third Proportional to 420,324.75 and 669,147.75
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Solution
The third proportional to 420,324.75 and 669,147.75 is: 1,065,268.49
Step by Step Solution
- Step 1: Write the proportion equation
420,324.75 : 669,147.75 = 669,147.75 : x - Step 2: Convert to fraction form
420,324.75/669,147.75 = 669,147.75/x - Step 3: Cross multiply
420,324.75x = 669,147.75 × 669,147.75 - Step 4: Simplify right side
420,324.75x = 447,758,711,330.06 - Step 5: Solve for x
x = 447,758,711,330.06/420,324.75 - Step 6: Final answer
x = 1,065,268.49
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.