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Finding the Third Proportional to 81,268 and 119,494

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Solution

The third proportional to 81,268 and 119,494 is: 175,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,268 : 119,494 = 119,494 : x
  2. Step 2: Convert to fraction form
    81,268/119,494 = 119,494/x
  3. Step 3: Cross multiply
    81,268x = 119,494 × 119,494
  4. Step 4: Simplify right side
    81,268x = 14,278,816,036
  5. Step 5: Solve for x
    x = 14,278,816,036/81,268
  6. Step 6: Final answer
    x = 175,700.35

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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.