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Finding the Third Proportional to 50,320 and 68,100

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Solution

The third proportional to 50,320 and 68,100 is: 92,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,320 : 68,100 = 68,100 : x
  2. Step 2: Convert to fraction form
    50,320/68,100 = 68,100/x
  3. Step 3: Cross multiply
    50,320x = 68,100 × 68,100
  4. Step 4: Simplify right side
    50,320x = 4,637,610,000
  5. Step 5: Solve for x
    x = 4,637,610,000/50,320
  6. Step 6: Final answer
    x = 92,162.36

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.