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Finding the Third Proportional to 76,816 and 158,962

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Solution

The third proportional to 76,816 and 158,962 is: 328,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,816 : 158,962 = 158,962 : x
  2. Step 2: Convert to fraction form
    76,816/158,962 = 158,962/x
  3. Step 3: Cross multiply
    76,816x = 158,962 × 158,962
  4. Step 4: Simplify right side
    76,816x = 25,268,917,444
  5. Step 5: Solve for x
    x = 25,268,917,444/76,816
  6. Step 6: Final answer
    x = 328,953.83

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.