Finding the Third Proportional to 7,408.50 and 8,785.50
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Solution
The third proportional to 7,408.50 and 8,785.50 is: 10,418.44
Step by Step Solution
- Step 1: Write the proportion equation
7,408.50 : 8,785.50 = 8,785.50 : x - Step 2: Convert to fraction form
7,408.50/8,785.50 = 8,785.50/x - Step 3: Cross multiply
7,408.50x = 8,785.50 × 8,785.50 - Step 4: Simplify right side
7,408.50x = 77,185,010.25 - Step 5: Solve for x
x = 77,185,010.25/7,408.50 - Step 6: Final answer
x = 10,418.44
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These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.