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Finding the Third Proportional to 75,960 and 164,880

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Solution

The third proportional to 75,960 and 164,880 is: 357,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,960 : 164,880 = 164,880 : x
  2. Step 2: Convert to fraction form
    75,960/164,880 = 164,880/x
  3. Step 3: Cross multiply
    75,960x = 164,880 × 164,880
  4. Step 4: Simplify right side
    75,960x = 27,185,414,400
  5. Step 5: Solve for x
    x = 27,185,414,400/75,960
  6. Step 6: Final answer
    x = 357,891.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.