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Finding the Third Proportional to 38,481 and 91,707

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Solution

The third proportional to 38,481 and 91,707 is: 218,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481 : 91,707 = 91,707 : x
  2. Step 2: Convert to fraction form
    38,481/91,707 = 91,707/x
  3. Step 3: Cross multiply
    38,481x = 91,707 × 91,707
  4. Step 4: Simplify right side
    38,481x = 8,410,173,849
  5. Step 5: Solve for x
    x = 8,410,173,849/38,481
  6. Step 6: Final answer
    x = 218,553.93

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.