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Finding the Third Proportional to 27,068 and 39,782

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Solution

The third proportional to 27,068 and 39,782 is: 58,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068 : 39,782 = 39,782 : x
  2. Step 2: Convert to fraction form
    27,068/39,782 = 39,782/x
  3. Step 3: Cross multiply
    27,068x = 39,782 × 39,782
  4. Step 4: Simplify right side
    27,068x = 1,582,607,524
  5. Step 5: Solve for x
    x = 1,582,607,524/27,068
  6. Step 6: Final answer
    x = 58,467.84

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.