Finding the Third Proportional to 128,968.88 and 283,155.75
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Solution
The third proportional to 128,968.88 and 283,155.75 is: 621,678.52
Step by Step Solution
- Step 1: Write the proportion equation
128,968.88 : 283,155.75 = 283,155.75 : x - Step 2: Convert to fraction form
128,968.88/283,155.75 = 283,155.75/x - Step 3: Cross multiply
128,968.88x = 283,155.75 × 283,155.75 - Step 4: Simplify right side
128,968.88x = 80,177,178,758.06 - Step 5: Solve for x
x = 80,177,178,758.06/128,968.88 - Step 6: Final answer
x = 621,678.52
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.