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Finding the Third Proportional to 43,670 and 67,269

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Solution

The third proportional to 43,670 and 67,269 is: 103,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,670 : 67,269 = 67,269 : x
  2. Step 2: Convert to fraction form
    43,670/67,269 = 67,269/x
  3. Step 3: Cross multiply
    43,670x = 67,269 × 67,269
  4. Step 4: Simplify right side
    43,670x = 4,525,118,361
  5. Step 5: Solve for x
    x = 4,525,118,361/43,670
  6. Step 6: Final answer
    x = 103,620.75

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.