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Finding the Third Proportional to 48,339 and 75,267

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Solution

The third proportional to 48,339 and 75,267 is: 117,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,339 : 75,267 = 75,267 : x
  2. Step 2: Convert to fraction form
    48,339/75,267 = 75,267/x
  3. Step 3: Cross multiply
    48,339x = 75,267 × 75,267
  4. Step 4: Simplify right side
    48,339x = 5,665,121,289
  5. Step 5: Solve for x
    x = 5,665,121,289/48,339
  6. Step 6: Final answer
    x = 117,195.67

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.