Finding the Third Proportional to 83,485.50 and 129,291.75
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Solution
The third proportional to 83,485.50 and 129,291.75 is: 200,230.66
Step by Step Solution
- Step 1: Write the proportion equation
83,485.50 : 129,291.75 = 129,291.75 : x - Step 2: Convert to fraction form
83,485.50/129,291.75 = 129,291.75/x - Step 3: Cross multiply
83,485.50x = 129,291.75 × 129,291.75 - Step 4: Simplify right side
83,485.50x = 16,716,356,618.06 - Step 5: Solve for x
x = 16,716,356,618.06/83,485.50 - Step 6: Final answer
x = 200,230.66
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.