Finding the Third Proportional to 7,511.25 and 10,878.75
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Solution
The third proportional to 7,511.25 and 10,878.75 is: 15,755.99
Step by Step Solution
- Step 1: Write the proportion equation
7,511.25 : 10,878.75 = 10,878.75 : x - Step 2: Convert to fraction form
7,511.25/10,878.75 = 10,878.75/x - Step 3: Cross multiply
7,511.25x = 10,878.75 × 10,878.75 - Step 4: Simplify right side
7,511.25x = 118,347,201.56 - Step 5: Solve for x
x = 118,347,201.56/7,511.25 - Step 6: Final answer
x = 15,755.99
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Why These Related Problems?
These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.