Finding the Third Proportional to 75,345.75 and 113,989.50
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Solution
The third proportional to 75,345.75 and 113,989.50 is: 172,453.07
Step by Step Solution
- Step 1: Write the proportion equation
75,345.75 : 113,989.50 = 113,989.50 : x - Step 2: Convert to fraction form
75,345.75/113,989.50 = 113,989.50/x - Step 3: Cross multiply
75,345.75x = 113,989.50 × 113,989.50 - Step 4: Simplify right side
75,345.75x = 12,993,606,110.25 - Step 5: Solve for x
x = 12,993,606,110.25/75,345.75 - Step 6: Final answer
x = 172,453.07
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.