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Finding the Third Proportional to 18,987 and 44,361

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Solution

The third proportional to 18,987 and 44,361 is: 103,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987 : 44,361 = 44,361 : x
  2. Step 2: Convert to fraction form
    18,987/44,361 = 44,361/x
  3. Step 3: Cross multiply
    18,987x = 44,361 × 44,361
  4. Step 4: Simplify right side
    18,987x = 1,967,898,321
  5. Step 5: Solve for x
    x = 1,967,898,321/18,987
  6. Step 6: Final answer
    x = 103,644.51

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.