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Finding the Third Proportional to 43,800 and 67,957

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Solution

The third proportional to 43,800 and 67,957 is: 105,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,800 : 67,957 = 67,957 : x
  2. Step 2: Convert to fraction form
    43,800/67,957 = 67,957/x
  3. Step 3: Cross multiply
    43,800x = 67,957 × 67,957
  4. Step 4: Simplify right side
    43,800x = 4,618,153,849
  5. Step 5: Solve for x
    x = 4,618,153,849/43,800
  6. Step 6: Final answer
    x = 105,437.30

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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.