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Finding the Third Proportional to 43,286 and 64,757

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Solution

The third proportional to 43,286 and 64,757 is: 96,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286 : 64,757 = 64,757 : x
  2. Step 2: Convert to fraction form
    43,286/64,757 = 64,757/x
  3. Step 3: Cross multiply
    43,286x = 64,757 × 64,757
  4. Step 4: Simplify right side
    43,286x = 4,193,469,049
  5. Step 5: Solve for x
    x = 4,193,469,049/43,286
  6. Step 6: Final answer
    x = 96,878.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.