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Finding the Third Proportional to 37,420 and 54,682

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Solution

The third proportional to 37,420 and 54,682 is: 79,907.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420 : 54,682 = 54,682 : x
  2. Step 2: Convert to fraction form
    37,420/54,682 = 54,682/x
  3. Step 3: Cross multiply
    37,420x = 54,682 × 54,682
  4. Step 4: Simplify right side
    37,420x = 2,990,121,124
  5. Step 5: Solve for x
    x = 2,990,121,124/37,420
  6. Step 6: Final answer
    x = 79,907.03

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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.