Finding the Third Proportional to 55,201.50 and 128,769.75
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Solution
The third proportional to 55,201.50 and 128,769.75 is: 300,384.02
Step by Step Solution
- Step 1: Write the proportion equation
55,201.50 : 128,769.75 = 128,769.75 : x - Step 2: Convert to fraction form
55,201.50/128,769.75 = 128,769.75/x - Step 3: Cross multiply
55,201.50x = 128,769.75 × 128,769.75 - Step 4: Simplify right side
55,201.50x = 16,581,648,515.06 - Step 5: Solve for x
x = 16,581,648,515.06/55,201.50 - Step 6: Final answer
x = 300,384.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.