Finding the Third Proportional to 257,532.28 and 378,590.44
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Solution
The third proportional to 257,532.28 and 378,590.44 is: 556,554.38
Step by Step Solution
- Step 1: Write the proportion equation
257,532.28 : 378,590.44 = 378,590.44 : x - Step 2: Convert to fraction form
257,532.28/378,590.44 = 378,590.44/x - Step 3: Cross multiply
257,532.28x = 378,590.44 × 378,590.44 - Step 4: Simplify right side
257,532.28x = 143,330,719,366.44 - Step 5: Solve for x
x = 143,330,719,366.44/257,532.28 - Step 6: Final answer
x = 556,554.38
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.