Finding the Third Proportional to 128,266.03 and 201,209.70
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Solution
The third proportional to 128,266.03 and 201,209.70 is: 315,635.72
Step by Step Solution
- Step 1: Write the proportion equation
128,266.03 : 201,209.70 = 201,209.70 : x - Step 2: Convert to fraction form
128,266.03/201,209.70 = 201,209.70/x - Step 3: Cross multiply
128,266.03x = 201,209.70 × 201,209.70 - Step 4: Simplify right side
128,266.03x = 40,485,341,487.75 - Step 5: Solve for x
x = 40,485,341,487.75/128,266.03 - Step 6: Final answer
x = 315,635.72
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.