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Finding the Third Proportional to 204,189 and 432,624

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Solution

The third proportional to 204,189 and 432,624 is: 916,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,189 : 432,624 = 432,624 : x
  2. Step 2: Convert to fraction form
    204,189/432,624 = 432,624/x
  3. Step 3: Cross multiply
    204,189x = 432,624 × 432,624
  4. Step 4: Simplify right side
    204,189x = 187,163,525,376
  5. Step 5: Solve for x
    x = 187,163,525,376/204,189
  6. Step 6: Final answer
    x = 916,619.04

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.