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Finding the Third Proportional to 85,338 and 113,239

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Solution

The third proportional to 85,338 and 113,239 is: 150,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,338 : 113,239 = 113,239 : x
  2. Step 2: Convert to fraction form
    85,338/113,239 = 113,239/x
  3. Step 3: Cross multiply
    85,338x = 113,239 × 113,239
  4. Step 4: Simplify right side
    85,338x = 12,823,071,121
  5. Step 5: Solve for x
    x = 12,823,071,121/85,338
  6. Step 6: Final answer
    x = 150,262.15

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.