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Finding the Third Proportional to 311,914 and 444,543

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Solution

The third proportional to 311,914 and 444,543 is: 633,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,914 : 444,543 = 444,543 : x
  2. Step 2: Convert to fraction form
    311,914/444,543 = 444,543/x
  3. Step 3: Cross multiply
    311,914x = 444,543 × 444,543
  4. Step 4: Simplify right side
    311,914x = 197,618,478,849
  5. Step 5: Solve for x
    x = 197,618,478,849/311,914
  6. Step 6: Final answer
    x = 633,567.20

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.