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Finding the Third Proportional to 81,799 and 119,995

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Solution

The third proportional to 81,799 and 119,995 is: 176,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,799 : 119,995 = 119,995 : x
  2. Step 2: Convert to fraction form
    81,799/119,995 = 119,995/x
  3. Step 3: Cross multiply
    81,799x = 119,995 × 119,995
  4. Step 4: Simplify right side
    81,799x = 14,398,800,025
  5. Step 5: Solve for x
    x = 14,398,800,025/81,799
  6. Step 6: Final answer
    x = 176,026.60

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.