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Finding the Third Proportional to 212 and 573

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Solution

The third proportional to 212 and 573 is: 1,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212 : 573 = 573 : x
  2. Step 2: Convert to fraction form
    212/573 = 573/x
  3. Step 3: Cross multiply
    212x = 573 × 573
  4. Step 4: Simplify right side
    212x = 328,329
  5. Step 5: Solve for x
    x = 328,329/212
  6. Step 6: Final answer
    x = 1,548.72

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.