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Finding the Third Proportional to 39,812 and 83,448

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Solution

The third proportional to 39,812 and 83,448 is: 174,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,812 : 83,448 = 83,448 : x
  2. Step 2: Convert to fraction form
    39,812/83,448 = 83,448/x
  3. Step 3: Cross multiply
    39,812x = 83,448 × 83,448
  4. Step 4: Simplify right side
    39,812x = 6,963,568,704
  5. Step 5: Solve for x
    x = 6,963,568,704/39,812
  6. Step 6: Final answer
    x = 174,911.30

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.