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Finding the Third Proportional to 33,376 and 51,320

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Solution

The third proportional to 33,376 and 51,320 is: 78,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,376 : 51,320 = 51,320 : x
  2. Step 2: Convert to fraction form
    33,376/51,320 = 51,320/x
  3. Step 3: Cross multiply
    33,376x = 51,320 × 51,320
  4. Step 4: Simplify right side
    33,376x = 2,633,742,400
  5. Step 5: Solve for x
    x = 2,633,742,400/33,376
  6. Step 6: Final answer
    x = 78,911.27

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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.