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Finding the Third Proportional to 37,438 and 54,693

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Solution

The third proportional to 37,438 and 54,693 is: 79,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,438 : 54,693 = 54,693 : x
  2. Step 2: Convert to fraction form
    37,438/54,693 = 54,693/x
  3. Step 3: Cross multiply
    37,438x = 54,693 × 54,693
  4. Step 4: Simplify right side
    37,438x = 2,991,324,249
  5. Step 5: Solve for x
    x = 2,991,324,249/37,438
  6. Step 6: Final answer
    x = 79,900.75

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.