Finding the Third Proportional to 56,139.75 and 122,829.75
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Solution
The third proportional to 56,139.75 and 122,829.75 is: 268,742.69
Step by Step Solution
- Step 1: Write the proportion equation
56,139.75 : 122,829.75 = 122,829.75 : x - Step 2: Convert to fraction form
56,139.75/122,829.75 = 122,829.75/x - Step 3: Cross multiply
56,139.75x = 122,829.75 × 122,829.75 - Step 4: Simplify right side
56,139.75x = 15,087,147,485.06 - Step 5: Solve for x
x = 15,087,147,485.06/56,139.75 - Step 6: Final answer
x = 268,742.69
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.