Finding the Third Proportional to 128,747.44 and 279,660.41
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Solution
The third proportional to 128,747.44 and 279,660.41 is: 607,467.95
Step by Step Solution
- Step 1: Write the proportion equation
128,747.44 : 279,660.41 = 279,660.41 : x - Step 2: Convert to fraction form
128,747.44/279,660.41 = 279,660.41/x - Step 3: Cross multiply
128,747.44x = 279,660.41 × 279,660.41 - Step 4: Simplify right side
128,747.44x = 78,209,945,008.76 - Step 5: Solve for x
x = 78,209,945,008.76/128,747.44 - Step 6: Final answer
x = 607,467.95
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.