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Finding the Third Proportional to 2,782 and 4,524

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Solution

The third proportional to 2,782 and 4,524 is: 7,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782 : 4,524 = 4,524 : x
  2. Step 2: Convert to fraction form
    2,782/4,524 = 4,524/x
  3. Step 3: Cross multiply
    2,782x = 4,524 × 4,524
  4. Step 4: Simplify right side
    2,782x = 20,466,576
  5. Step 5: Solve for x
    x = 20,466,576/2,782
  6. Step 6: Final answer
    x = 7,356.79

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.