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Finding the Third Proportional to 18,567 and 28,782

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Solution

The third proportional to 18,567 and 28,782 is: 44,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567 : 28,782 = 28,782 : x
  2. Step 2: Convert to fraction form
    18,567/28,782 = 28,782/x
  3. Step 3: Cross multiply
    18,567x = 28,782 × 28,782
  4. Step 4: Simplify right side
    18,567x = 828,403,524
  5. Step 5: Solve for x
    x = 828,403,524/18,567
  6. Step 6: Final answer
    x = 44,616.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.