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Finding the Third Proportional to 33,392 and 77,648

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Solution

The third proportional to 33,392 and 77,648 is: 180,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,392 : 77,648 = 77,648 : x
  2. Step 2: Convert to fraction form
    33,392/77,648 = 77,648/x
  3. Step 3: Cross multiply
    33,392x = 77,648 × 77,648
  4. Step 4: Simplify right side
    33,392x = 6,029,211,904
  5. Step 5: Solve for x
    x = 6,029,211,904/33,392
  6. Step 6: Final answer
    x = 180,558.57

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.