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Finding the Third Proportional to 299.25 and 547.50

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Solution

The third proportional to 299.25 and 547.50 is: 1,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.25 : 547.50 = 547.50 : x
  2. Step 2: Convert to fraction form
    299.25/547.50 = 547.50/x
  3. Step 3: Cross multiply
    299.25x = 547.50 × 547.50
  4. Step 4: Simplify right side
    299.25x = 299,756.25
  5. Step 5: Solve for x
    x = 299,756.25/299.25
  6. Step 6: Final answer
    x = 1,001.69

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Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.