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Finding the Third Proportional to 252 and 547

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Solution

The third proportional to 252 and 547 is: 1,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    252 : 547 = 547 : x
  2. Step 2: Convert to fraction form
    252/547 = 547/x
  3. Step 3: Cross multiply
    252x = 547 × 547
  4. Step 4: Simplify right side
    252x = 299,209
  5. Step 5: Solve for x
    x = 299,209/252
  6. Step 6: Final answer
    x = 1,187.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.