Finding the Third Proportional to 621,867 and 1,318,465.50
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Solution
The third proportional to 621,867 and 1,318,465.50 is: 2,795,374.69
Step by Step Solution
- Step 1: Write the proportion equation
621,867 : 1,318,465.50 = 1,318,465.50 : x - Step 2: Convert to fraction form
621,867/1,318,465.50 = 1,318,465.50/x - Step 3: Cross multiply
621,867x = 1,318,465.50 × 1,318,465.50 - Step 4: Simplify right side
621,867x = 1,738,351,274,690.25 - Step 5: Solve for x
x = 1,738,351,274,690.25/621,867 - Step 6: Final answer
x = 2,795,374.69
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.