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Finding the Third Proportional to 33,280 and 51,544

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Solution

The third proportional to 33,280 and 51,544 is: 79,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,280 : 51,544 = 51,544 : x
  2. Step 2: Convert to fraction form
    33,280/51,544 = 51,544/x
  3. Step 3: Cross multiply
    33,280x = 51,544 × 51,544
  4. Step 4: Simplify right side
    33,280x = 2,656,783,936
  5. Step 5: Solve for x
    x = 2,656,783,936/33,280
  6. Step 6: Final answer
    x = 79,831.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.