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Finding the Third Proportional to 11,818 and 18,575

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Solution

The third proportional to 11,818 and 18,575 is: 29,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818 : 18,575 = 18,575 : x
  2. Step 2: Convert to fraction form
    11,818/18,575 = 18,575/x
  3. Step 3: Cross multiply
    11,818x = 18,575 × 18,575
  4. Step 4: Simplify right side
    11,818x = 345,030,625
  5. Step 5: Solve for x
    x = 345,030,625/11,818
  6. Step 6: Final answer
    x = 29,195.35

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.