Finding the Third Proportional to 100,338.75 and 221,610.09
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Solution
The third proportional to 100,338.75 and 221,610.09 is: 489,452.32
Step by Step Solution
- Step 1: Write the proportion equation
100,338.75 : 221,610.09 = 221,610.09 : x - Step 2: Convert to fraction form
100,338.75/221,610.09 = 221,610.09/x - Step 3: Cross multiply
100,338.75x = 221,610.09 × 221,610.09 - Step 4: Simplify right side
100,338.75x = 49,111,033,651.88 - Step 5: Solve for x
x = 49,111,033,651.88/100,338.75 - Step 6: Final answer
x = 489,452.32
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These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.