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Finding the Third Proportional to 77,344 and 115,976

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Solution

The third proportional to 77,344 and 115,976 is: 173,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,344 : 115,976 = 115,976 : x
  2. Step 2: Convert to fraction form
    77,344/115,976 = 115,976/x
  3. Step 3: Cross multiply
    77,344x = 115,976 × 115,976
  4. Step 4: Simplify right side
    77,344x = 13,450,432,576
  5. Step 5: Solve for x
    x = 13,450,432,576/77,344
  6. Step 6: Final answer
    x = 173,904.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.