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Finding the Third Proportional to 31,104 and 46,812

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Solution

The third proportional to 31,104 and 46,812 is: 70,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104 : 46,812 = 46,812 : x
  2. Step 2: Convert to fraction form
    31,104/46,812 = 46,812/x
  3. Step 3: Cross multiply
    31,104x = 46,812 × 46,812
  4. Step 4: Simplify right side
    31,104x = 2,191,363,344
  5. Step 5: Solve for x
    x = 2,191,363,344/31,104
  6. Step 6: Final answer
    x = 70,452.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.