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Finding the Third Proportional to 28,024 and 43,392

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Solution

The third proportional to 28,024 and 43,392 is: 67,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024 : 43,392 = 43,392 : x
  2. Step 2: Convert to fraction form
    28,024/43,392 = 43,392/x
  3. Step 3: Cross multiply
    28,024x = 43,392 × 43,392
  4. Step 4: Simplify right side
    28,024x = 1,882,865,664
  5. Step 5: Solve for x
    x = 1,882,865,664/28,024
  6. Step 6: Final answer
    x = 67,187.61

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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.