Finding the Third Proportional to 129,336.75 and 281,454.75
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Solution
The third proportional to 129,336.75 and 281,454.75 is: 612,484.67
Step by Step Solution
- Step 1: Write the proportion equation
129,336.75 : 281,454.75 = 281,454.75 : x - Step 2: Convert to fraction form
129,336.75/281,454.75 = 281,454.75/x - Step 3: Cross multiply
129,336.75x = 281,454.75 × 281,454.75 - Step 4: Simplify right side
129,336.75x = 79,216,776,297.56 - Step 5: Solve for x
x = 79,216,776,297.56/129,336.75 - Step 6: Final answer
x = 612,484.67
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.