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Finding the Third Proportional to 24,660 and 37,890

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Solution

The third proportional to 24,660 and 37,890 is: 58,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,660 : 37,890 = 37,890 : x
  2. Step 2: Convert to fraction form
    24,660/37,890 = 37,890/x
  3. Step 3: Cross multiply
    24,660x = 37,890 × 37,890
  4. Step 4: Simplify right side
    24,660x = 1,435,652,100
  5. Step 5: Solve for x
    x = 1,435,652,100/24,660
  6. Step 6: Final answer
    x = 58,217.85

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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.