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Finding the Third Proportional to 311,539.50 and 466,785

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Solution

The third proportional to 311,539.50 and 466,785 is: 699,392.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,539.50 : 466,785 = 466,785 : x
  2. Step 2: Convert to fraction form
    311,539.50/466,785 = 466,785/x
  3. Step 3: Cross multiply
    311,539.50x = 466,785 × 466,785
  4. Step 4: Simplify right side
    311,539.50x = 217,888,236,225
  5. Step 5: Solve for x
    x = 217,888,236,225/311,539.50
  6. Step 6: Final answer
    x = 699,392.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.