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Finding the Third Proportional to 85,122 and 182,880

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Solution

The third proportional to 85,122 and 182,880 is: 392,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,122 : 182,880 = 182,880 : x
  2. Step 2: Convert to fraction form
    85,122/182,880 = 182,880/x
  3. Step 3: Cross multiply
    85,122x = 182,880 × 182,880
  4. Step 4: Simplify right side
    85,122x = 33,445,094,400
  5. Step 5: Solve for x
    x = 33,445,094,400/85,122
  6. Step 6: Final answer
    x = 392,907.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.