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Finding the Third Proportional to 18,563 and 37,775

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Solution

The third proportional to 18,563 and 37,775 is: 76,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563 : 37,775 = 37,775 : x
  2. Step 2: Convert to fraction form
    18,563/37,775 = 37,775/x
  3. Step 3: Cross multiply
    18,563x = 37,775 × 37,775
  4. Step 4: Simplify right side
    18,563x = 1,426,950,625
  5. Step 5: Solve for x
    x = 1,426,950,625/18,563
  6. Step 6: Final answer
    x = 76,870.69

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.