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Finding the Third Proportional to 43,190 and 66,632

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Solution

The third proportional to 43,190 and 66,632 is: 102,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,190 : 66,632 = 66,632 : x
  2. Step 2: Convert to fraction form
    43,190/66,632 = 66,632/x
  3. Step 3: Cross multiply
    43,190x = 66,632 × 66,632
  4. Step 4: Simplify right side
    43,190x = 4,439,823,424
  5. Step 5: Solve for x
    x = 4,439,823,424/43,190
  6. Step 6: Final answer
    x = 102,797.49

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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.