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Finding the Third Proportional to 47,286 and 96,731

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Solution

The third proportional to 47,286 and 96,731 is: 197,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286 : 96,731 = 96,731 : x
  2. Step 2: Convert to fraction form
    47,286/96,731 = 96,731/x
  3. Step 3: Cross multiply
    47,286x = 96,731 × 96,731
  4. Step 4: Simplify right side
    47,286x = 9,356,886,361
  5. Step 5: Solve for x
    x = 9,356,886,361/47,286
  6. Step 6: Final answer
    x = 197,878.58

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.