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Finding the Third Proportional to 363,879 and 558,528.75

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Solution

The third proportional to 363,879 and 558,528.75 is: 857,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,879 : 558,528.75 = 558,528.75 : x
  2. Step 2: Convert to fraction form
    363,879/558,528.75 = 558,528.75/x
  3. Step 3: Cross multiply
    363,879x = 558,528.75 × 558,528.75
  4. Step 4: Simplify right side
    363,879x = 311,954,364,576.56
  5. Step 5: Solve for x
    x = 311,954,364,576.56/363,879
  6. Step 6: Final answer
    x = 857,302.47

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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.