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Finding the Third Proportional to 311,532 and 466,779

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Solution

The third proportional to 311,532 and 466,779 is: 699,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,532 : 466,779 = 466,779 : x
  2. Step 2: Convert to fraction form
    311,532/466,779 = 466,779/x
  3. Step 3: Cross multiply
    311,532x = 466,779 × 466,779
  4. Step 4: Simplify right side
    311,532x = 217,882,634,841
  5. Step 5: Solve for x
    x = 217,882,634,841/311,532
  6. Step 6: Final answer
    x = 699,390.86

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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.