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Finding the Third Proportional to 43,454 and 67,176

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Solution

The third proportional to 43,454 and 67,176 is: 103,848.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454 : 67,176 = 67,176 : x
  2. Step 2: Convert to fraction form
    43,454/67,176 = 67,176/x
  3. Step 3: Cross multiply
    43,454x = 67,176 × 67,176
  4. Step 4: Simplify right side
    43,454x = 4,512,614,976
  5. Step 5: Solve for x
    x = 4,512,614,976/43,454
  6. Step 6: Final answer
    x = 103,848.09

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.