Finding the Third Proportional to 276,544.13 and 420,585.75
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Solution
The third proportional to 276,544.13 and 420,585.75 is: 639,653.34
Step by Step Solution
- Step 1: Write the proportion equation
276,544.13 : 420,585.75 = 420,585.75 : x - Step 2: Convert to fraction form
276,544.13/420,585.75 = 420,585.75/x - Step 3: Cross multiply
276,544.13x = 420,585.75 × 420,585.75 - Step 4: Simplify right side
276,544.13x = 176,892,373,103.06 - Step 5: Solve for x
x = 176,892,373,103.06/276,544.13 - Step 6: Final answer
x = 639,653.34
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.