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Finding the Third Proportional to 18,376 and 28,110

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Solution

The third proportional to 18,376 and 28,110 is: 43,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376 : 28,110 = 28,110 : x
  2. Step 2: Convert to fraction form
    18,376/28,110 = 28,110/x
  3. Step 3: Cross multiply
    18,376x = 28,110 × 28,110
  4. Step 4: Simplify right side
    18,376x = 790,172,100
  5. Step 5: Solve for x
    x = 790,172,100/18,376
  6. Step 6: Final answer
    x = 43,000.22

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.