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Finding the Third Proportional to 430,938 and 874,188

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Solution

The third proportional to 430,938 and 874,188 is: 1,773,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,938 : 874,188 = 874,188 : x
  2. Step 2: Convert to fraction form
    430,938/874,188 = 874,188/x
  3. Step 3: Cross multiply
    430,938x = 874,188 × 874,188
  4. Step 4: Simplify right side
    430,938x = 764,204,659,344
  5. Step 5: Solve for x
    x = 764,204,659,344/430,938
  6. Step 6: Final answer
    x = 1,773,351.76

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.