Finding the Third Proportional to 7,680.13 and 12,211.70
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Solution
The third proportional to 7,680.13 and 12,211.70 is: 19,417.07
Step by Step Solution
- Step 1: Write the proportion equation
7,680.13 : 12,211.70 = 12,211.70 : x - Step 2: Convert to fraction form
7,680.13/12,211.70 = 12,211.70/x - Step 3: Cross multiply
7,680.13x = 12,211.70 × 12,211.70 - Step 4: Simplify right side
7,680.13x = 149,125,597.81 - Step 5: Solve for x
x = 149,125,597.81/7,680.13 - Step 6: Final answer
x = 19,417.07
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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.