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Finding the Third Proportional to 249.50 and 547

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Solution

The third proportional to 249.50 and 547 is: 1,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.50 : 547 = 547 : x
  2. Step 2: Convert to fraction form
    249.50/547 = 547/x
  3. Step 3: Cross multiply
    249.50x = 547 × 547
  4. Step 4: Simplify right side
    249.50x = 299,209
  5. Step 5: Solve for x
    x = 299,209/249.50
  6. Step 6: Final answer
    x = 1,199.23

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.