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Finding the Third Proportional to 24,679 and 54,278

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Solution

The third proportional to 24,679 and 54,278 is: 119,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,679 : 54,278 = 54,278 : x
  2. Step 2: Convert to fraction form
    24,679/54,278 = 54,278/x
  3. Step 3: Cross multiply
    24,679x = 54,278 × 54,278
  4. Step 4: Simplify right side
    24,679x = 2,946,101,284
  5. Step 5: Solve for x
    x = 2,946,101,284/24,679
  6. Step 6: Final answer
    x = 119,376.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.