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Finding the Third Proportional to 77,832 and 167,928

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Solution

The third proportional to 77,832 and 167,928 is: 362,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,832 : 167,928 = 167,928 : x
  2. Step 2: Convert to fraction form
    77,832/167,928 = 167,928/x
  3. Step 3: Cross multiply
    77,832x = 167,928 × 167,928
  4. Step 4: Simplify right side
    77,832x = 28,199,813,184
  5. Step 5: Solve for x
    x = 28,199,813,184/77,832
  6. Step 6: Final answer
    x = 362,316.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.