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Finding the Third Proportional to 47,868 and 68,520

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Solution

The third proportional to 47,868 and 68,520 is: 98,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,868 : 68,520 = 68,520 : x
  2. Step 2: Convert to fraction form
    47,868/68,520 = 68,520/x
  3. Step 3: Cross multiply
    47,868x = 68,520 × 68,520
  4. Step 4: Simplify right side
    47,868x = 4,694,990,400
  5. Step 5: Solve for x
    x = 4,694,990,400/47,868
  6. Step 6: Final answer
    x = 98,082.03

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.