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Finding the Third Proportional to 36,484 and 78,668

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Solution

The third proportional to 36,484 and 78,668 is: 169,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,484 : 78,668 = 78,668 : x
  2. Step 2: Convert to fraction form
    36,484/78,668 = 78,668/x
  3. Step 3: Cross multiply
    36,484x = 78,668 × 78,668
  4. Step 4: Simplify right side
    36,484x = 6,188,654,224
  5. Step 5: Solve for x
    x = 6,188,654,224/36,484
  6. Step 6: Final answer
    x = 169,626.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.