Finding the Third Proportional to 128,266.03 and 199,503.84
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Solution
The third proportional to 128,266.03 and 199,503.84 is: 310,306.50
Step by Step Solution
- Step 1: Write the proportion equation
128,266.03 : 199,503.84 = 199,503.84 : x - Step 2: Convert to fraction form
128,266.03/199,503.84 = 199,503.84/x - Step 3: Cross multiply
128,266.03x = 199,503.84 × 199,503.84 - Step 4: Simplify right side
128,266.03x = 39,801,783,671.02 - Step 5: Solve for x
x = 39,801,783,671.02/128,266.03 - Step 6: Final answer
x = 310,306.50
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.