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Finding the Third Proportional to 81,434 and 119,233

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Solution

The third proportional to 81,434 and 119,233 is: 174,577.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,434 : 119,233 = 119,233 : x
  2. Step 2: Convert to fraction form
    81,434/119,233 = 119,233/x
  3. Step 3: Cross multiply
    81,434x = 119,233 × 119,233
  4. Step 4: Simplify right side
    81,434x = 14,216,508,289
  5. Step 5: Solve for x
    x = 14,216,508,289/81,434
  6. Step 6: Final answer
    x = 174,577.06

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.