Finding the Third Proportional to 257,833.13 and 393,423.75
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Solution
The third proportional to 257,833.13 and 393,423.75 is: 600,319.48
Step by Step Solution
- Step 1: Write the proportion equation
257,833.13 : 393,423.75 = 393,423.75 : x - Step 2: Convert to fraction form
257,833.13/393,423.75 = 393,423.75/x - Step 3: Cross multiply
257,833.13x = 393,423.75 × 393,423.75 - Step 4: Simplify right side
257,833.13x = 154,782,247,064.06 - Step 5: Solve for x
x = 154,782,247,064.06/257,833.13 - Step 6: Final answer
x = 600,319.48
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.