Finding the Third Proportional to 276,544.13 and 430,854.19
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Solution
The third proportional to 276,544.13 and 430,854.19 is: 671,268.39
Step by Step Solution
- Step 1: Write the proportion equation
276,544.13 : 430,854.19 = 430,854.19 : x - Step 2: Convert to fraction form
276,544.13/430,854.19 = 430,854.19/x - Step 3: Cross multiply
276,544.13x = 430,854.19 × 430,854.19 - Step 4: Simplify right side
276,544.13x = 185,635,330,886.29 - Step 5: Solve for x
x = 185,635,330,886.29/276,544.13 - Step 6: Final answer
x = 671,268.39
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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.