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Finding the Third Proportional to 430,940 and 874,192

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Solution

The third proportional to 430,940 and 874,192 is: 1,773,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,940 : 874,192 = 874,192 : x
  2. Step 2: Convert to fraction form
    430,940/874,192 = 874,192/x
  3. Step 3: Cross multiply
    430,940x = 874,192 × 874,192
  4. Step 4: Simplify right side
    430,940x = 764,211,652,864
  5. Step 5: Solve for x
    x = 764,211,652,864/430,940
  6. Step 6: Final answer
    x = 1,773,359.76

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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.