Finding the Third Proportional to 7,778.53 and 11,688.05
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Solution
The third proportional to 7,778.53 and 11,688.05 is: 17,562.50
Step by Step Solution
- Step 1: Write the proportion equation
7,778.53 : 11,688.05 = 11,688.05 : x - Step 2: Convert to fraction form
7,778.53/11,688.05 = 11,688.05/x - Step 3: Cross multiply
7,778.53x = 11,688.05 × 11,688.05 - Step 4: Simplify right side
7,778.53x = 136,610,439.75 - Step 5: Solve for x
x = 136,610,439.75/7,778.53 - Step 6: Final answer
x = 17,562.50
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.