Finding the Third Proportional to 432,338.13 and 615,873.75
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Solution
The third proportional to 432,338.13 and 615,873.75 is: 877,323.68
Step by Step Solution
- Step 1: Write the proportion equation
432,338.13 : 615,873.75 = 615,873.75 : x - Step 2: Convert to fraction form
432,338.13/615,873.75 = 615,873.75/x - Step 3: Cross multiply
432,338.13x = 615,873.75 × 615,873.75 - Step 4: Simplify right side
432,338.13x = 379,300,475,939.06 - Step 5: Solve for x
x = 379,300,475,939.06/432,338.13 - Step 6: Final answer
x = 877,323.68
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.