Finding the Third Proportional to 270,479.25 and 421,027.88
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Solution
The third proportional to 270,479.25 and 421,027.88 is: 655,371.79
Step by Step Solution
- Step 1: Write the proportion equation
270,479.25 : 421,027.88 = 421,027.88 : x - Step 2: Convert to fraction form
270,479.25/421,027.88 = 421,027.88/x - Step 3: Cross multiply
270,479.25x = 421,027.88 × 421,027.88 - Step 4: Simplify right side
270,479.25x = 177,264,471,527.02 - Step 5: Solve for x
x = 177,264,471,527.02/270,479.25 - Step 6: Final answer
x = 655,371.79
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.