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Finding the Third Proportional to 212,193 and 457,596

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Solution

The third proportional to 212,193 and 457,596 is: 986,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,193 : 457,596 = 457,596 : x
  2. Step 2: Convert to fraction form
    212,193/457,596 = 457,596/x
  3. Step 3: Cross multiply
    212,193x = 457,596 × 457,596
  4. Step 4: Simplify right side
    212,193x = 209,394,099,216
  5. Step 5: Solve for x
    x = 209,394,099,216/212,193
  6. Step 6: Final answer
    x = 986,809.65

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.