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Finding the Third Proportional to 99,732 and 213,474

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Solution

The third proportional to 99,732 and 213,474 is: 456,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,732 : 213,474 = 213,474 : x
  2. Step 2: Convert to fraction form
    99,732/213,474 = 213,474/x
  3. Step 3: Cross multiply
    99,732x = 213,474 × 213,474
  4. Step 4: Simplify right side
    99,732x = 45,571,148,676
  5. Step 5: Solve for x
    x = 45,571,148,676/99,732
  6. Step 6: Final answer
    x = 456,936.08

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.