Finding the Third Proportional to 75,331.69 and 102,309.75
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Solution
The third proportional to 75,331.69 and 102,309.75 is: 138,949.30
Step by Step Solution
- Step 1: Write the proportion equation
75,331.69 : 102,309.75 = 102,309.75 : x - Step 2: Convert to fraction form
75,331.69/102,309.75 = 102,309.75/x - Step 3: Cross multiply
75,331.69x = 102,309.75 × 102,309.75 - Step 4: Simplify right side
75,331.69x = 10,467,284,945.06 - Step 5: Solve for x
x = 10,467,284,945.06/75,331.69 - Step 6: Final answer
x = 138,949.30
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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.